Speed, Velocity and Acceleration
... Terminal Velocity- velocity of a falling body occurs during free fall when a falling body experiences zero acceleration Air resistance exists because air molecules collide into a falling body creating an upward force opposite gravity. This upward force will eventually balance the falling body's ...
... Terminal Velocity- velocity of a falling body occurs during free fall when a falling body experiences zero acceleration Air resistance exists because air molecules collide into a falling body creating an upward force opposite gravity. This upward force will eventually balance the falling body's ...
Document
... More than one force can act on an object at once. For example, two people could push on a book at the same time. One person could push toward the left and the other could push toward the right. In this case the two forces would act against each other. What is the NET force? 2 N towards the left If ...
... More than one force can act on an object at once. For example, two people could push on a book at the same time. One person could push toward the left and the other could push toward the right. In this case the two forces would act against each other. What is the NET force? 2 N towards the left If ...
Friction ppt - Cobb Learning
... Why do sports shoes have more tread on them compared to dress shoes? Because more tread leads to more bumps, which leads to more friction. Athletic shoes need more friction to allow for greater acceleration (rapid sprints, sudden stops, and quick turns), whereas dress shoes do not require the same ...
... Why do sports shoes have more tread on them compared to dress shoes? Because more tread leads to more bumps, which leads to more friction. Athletic shoes need more friction to allow for greater acceleration (rapid sprints, sudden stops, and quick turns), whereas dress shoes do not require the same ...
4.1 Gravitational Force Near Earth
... force on the skydiver is decreasing. This means that the acceleration of the skydiver is decreasing. Eventually the magnitude of air resistance becomes great enough that it equals the magnitude of the force of gravity (Figure 3(c)). At this moment, the skydiver is moving at constant speed. The maxim ...
... force on the skydiver is decreasing. This means that the acceleration of the skydiver is decreasing. Eventually the magnitude of air resistance becomes great enough that it equals the magnitude of the force of gravity (Figure 3(c)). At this moment, the skydiver is moving at constant speed. The maxim ...
Second Semester Final Exam Preparation 2012
... 9. How do drinking straws work? Why do we say there is no such thing as “sucking” in Physics? When you are drinking with a straw, you begin by closing your mouth around the straw and making the space inside your mouth as small as possible. When you increase the volume inside your mouth, the pressure ...
... 9. How do drinking straws work? Why do we say there is no such thing as “sucking” in Physics? When you are drinking with a straw, you begin by closing your mouth around the straw and making the space inside your mouth as small as possible. When you increase the volume inside your mouth, the pressure ...
Unit 8 Review Answer Key
... 11. Explain what a centripetal force is and what is a centrifugal force? Centripetal is a label put on the net force on an object that causes it to move in a circle. Centrifugal is an imaginary force that makes you feel like you are being pulled out of the circle but it is a result of your inertia ...
... 11. Explain what a centripetal force is and what is a centrifugal force? Centripetal is a label put on the net force on an object that causes it to move in a circle. Centrifugal is an imaginary force that makes you feel like you are being pulled out of the circle but it is a result of your inertia ...
Newton`s 1st Law of Motion
... boy sits on it. The coefficient of friction for the snow and metal sled is 0.012. What force is necessary to pull the sled at constant speed? (Hint: the applied force is equal, but opposite direction to the force of friction.) ...
... boy sits on it. The coefficient of friction for the snow and metal sled is 0.012. What force is necessary to pull the sled at constant speed? (Hint: the applied force is equal, but opposite direction to the force of friction.) ...
Physics Words
... 3. Pull the cart back until the hanger is at the top of the table. Release the cart and look at the liquid accelerometer as the cart is moving. a) Sketch the shape of the water in the liquid accelerometer as it is moving due to the falling mass, not as you stop it. As a class we learned about what ...
... 3. Pull the cart back until the hanger is at the top of the table. Release the cart and look at the liquid accelerometer as the cart is moving. a) Sketch the shape of the water in the liquid accelerometer as it is moving due to the falling mass, not as you stop it. As a class we learned about what ...
P3 Quick run-through - crypt
... Long sight – The eye is too short or not powerful enough. Rays converge behind the retina. A Converging lens is used to correct. Short sight – The eye is too long or too powerful. Rays converge in front of retina. A Diverging lens is used to correct. The focal length (and therefore power) of a lens ...
... Long sight – The eye is too short or not powerful enough. Rays converge behind the retina. A Converging lens is used to correct. Short sight – The eye is too long or too powerful. Rays converge in front of retina. A Diverging lens is used to correct. The focal length (and therefore power) of a lens ...
Gravity and Orbits Lesson - The Ohio State University
... grab the yarn as they walk by so they don’t have to stop), and ‘attempts’ to continue walking the straight line. If the force of gravity is strong enough, the student’s path will be altered, and they will be forced to ‘orbit’ the person on the ‘X’, moving off of the straight marked path. However, fo ...
... grab the yarn as they walk by so they don’t have to stop), and ‘attempts’ to continue walking the straight line. If the force of gravity is strong enough, the student’s path will be altered, and they will be forced to ‘orbit’ the person on the ‘X’, moving off of the straight marked path. However, fo ...
RED Fall 2008 Barcode Here
... spring and quickly release the mass so that it starts oscillating up and down with no additional forces on it. At the lowest point of the first oscillation, the mass has stretched the spring out to a distance of 31 cm below where it started. What is the spring constant k? [19?] _____ (a) 0 - 7 N/m ( ...
... spring and quickly release the mass so that it starts oscillating up and down with no additional forces on it. At the lowest point of the first oscillation, the mass has stretched the spring out to a distance of 31 cm below where it started. What is the spring constant k? [19?] _____ (a) 0 - 7 N/m ( ...
Newton`s Laws of Motion - pams
... What happens if you are standing on a skateboard or a slippery floor and push against a wall? You slide in the opposite direction (away from the wall), because you pushed on the wall but the wall pushed back on you with equal and opposite force. Why does it hurt so much when you stub your toe? When ...
... What happens if you are standing on a skateboard or a slippery floor and push against a wall? You slide in the opposite direction (away from the wall), because you pushed on the wall but the wall pushed back on you with equal and opposite force. Why does it hurt so much when you stub your toe? When ...
Lecture 11 - University of Manitoba Physics Department
... matter (we believe) is attracted by gravity. • Perhaps, a repulsive gravitational force acting at long distances (distant galaxies appear to be moving away faster than they should if only normal gravity acts). Monday, October 1, 2007 ...
... matter (we believe) is attracted by gravity. • Perhaps, a repulsive gravitational force acting at long distances (distant galaxies appear to be moving away faster than they should if only normal gravity acts). Monday, October 1, 2007 ...
2 - ScienceScene
... Static frictional force results when solids are in contact, at rest and when a force or forces are trying to cause them to move with respect to each other. Fluid frictional force results when a solid is moving through a gas or a liquid. ...
... Static frictional force results when solids are in contact, at rest and when a force or forces are trying to cause them to move with respect to each other. Fluid frictional force results when a solid is moving through a gas or a liquid. ...
Mid-term Study Guide Answer Key
... 20. The type of force measured by a grocery store spring scale is weight. 21. The sum of all the forces acting on an object is called the net force 22. If the forces acting on an object produce a net force of zero, the forces are called balanced forces. (-no net force no change in motion) 23. The ...
... 20. The type of force measured by a grocery store spring scale is weight. 21. The sum of all the forces acting on an object is called the net force 22. If the forces acting on an object produce a net force of zero, the forces are called balanced forces. (-no net force no change in motion) 23. The ...
Momentum - Jobworks Physics
... There are several real-world applications of this phenomena. One example is the use of air bags in automobiles. Air bags are good because they are able to minimize the effect of the force on an object involved in a collision. Air bags accomplish this by extending the time required to stop the moment ...
... There are several real-world applications of this phenomena. One example is the use of air bags in automobiles. Air bags are good because they are able to minimize the effect of the force on an object involved in a collision. Air bags accomplish this by extending the time required to stop the moment ...
Review - Flipped Physics
... and 6 N. The resultant of the 6 N and 8 N forces is a) 0 b) 10 N c) Between 0 and 10 N d) Greater than 10 N 9) As the angle between two concurrent forces of 5 N and 7 N increases from 0 to 180 degrees, the magnitude of their resultant changes from a) 0 N to 35 N b) 2 N to 12 N c) 12 N to 2 N d) 12 N ...
... and 6 N. The resultant of the 6 N and 8 N forces is a) 0 b) 10 N c) Between 0 and 10 N d) Greater than 10 N 9) As the angle between two concurrent forces of 5 N and 7 N increases from 0 to 180 degrees, the magnitude of their resultant changes from a) 0 N to 35 N b) 2 N to 12 N c) 12 N to 2 N d) 12 N ...
Jeopardy Motion Newtons Review
... A 4.0-kilogram mass is moving at 3.0 meters per second toward the right and a 6.0-kilogram mass is moving at 2.0 meters per second toward the left on a horizontal frictionless table. If the two masses collide and remain together after the collision, their final momentum is ...
... A 4.0-kilogram mass is moving at 3.0 meters per second toward the right and a 6.0-kilogram mass is moving at 2.0 meters per second toward the left on a horizontal frictionless table. If the two masses collide and remain together after the collision, their final momentum is ...
Lecture04d
... The window washer pulls down on the rope with a tension force so the rope pulls up on her hands with a tension force The tension in The rope is also applied at the other end of the rope, where it FT attaches to the bucket. So there is another force pulling up on the bucket. The bucket-washer combina ...
... The window washer pulls down on the rope with a tension force so the rope pulls up on her hands with a tension force The tension in The rope is also applied at the other end of the rope, where it FT attaches to the bucket. So there is another force pulling up on the bucket. The bucket-washer combina ...
Buoyancy
In science, buoyancy (pronunciation: /ˈbɔɪ.ənᵗsi/ or /ˈbuːjənᵗsi/; also known as upthrust) is an upward force exerted by a fluid that opposes the weight of an immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. Thus the pressure at the bottom of a column of fluid is greater than at the top of the column. Similarly, the pressure at the bottom of an object submerged in a fluid is greater than at the top of the object. This pressure difference results in a net upwards force on the object. The magnitude of that force exerted is proportional to that pressure difference, and (as explained by Archimedes' principle) is equivalent to the weight of the fluid that would otherwise occupy the volume of the object, i.e. the displaced fluid.For this reason, an object whose density is greater than that of the fluid in which it is submerged tends to sink. If the object is either less dense than the liquid or is shaped appropriately (as in a boat), the force can keep the object afloat. This can occur only in a reference frame which either has a gravitational field or is accelerating due to a force other than gravity defining a ""downward"" direction (that is, a non-inertial reference frame). In a situation of fluid statics, the net upward buoyancy force is equal to the magnitude of the weight of fluid displaced by the body.The center of buoyancy of an object is the centroid of the displaced volume of fluid.