Forces Problem Set - hrsbstaff.ednet.ns.ca
... **********Be sure to draw a proper Free Body Diagram for EVERY question!************* You may also wish to summarize your notes on forces and friction briefly before you begin. 1) An astronaut finds that the force of gravity on her is 1.83 103 N on a certain planet and 6.86 102 N on earth. What ...
... **********Be sure to draw a proper Free Body Diagram for EVERY question!************* You may also wish to summarize your notes on forces and friction briefly before you begin. 1) An astronaut finds that the force of gravity on her is 1.83 103 N on a certain planet and 6.86 102 N on earth. What ...
Newton`s Laws of Motion By: Brian Miller
... Newton’s 3rd Law: action-reaction forces When one object exerts a force on a second object, the second object exerts an equal and opposite force on the first. ...
... Newton’s 3rd Law: action-reaction forces When one object exerts a force on a second object, the second object exerts an equal and opposite force on the first. ...
Forces - SCHOOLinSITES
... Law of Gravitation – any two masses exert an attractive force on each other, F = G (m1m2)/d2 G = 6.67 x 10-11 m3/kg.s2 Acceleration due to gravity on Earth is 9.8 m/s2 Mercury – 3.8 m/s2 Jupiter – 25.8 m/s2 Gravity is one of the four basic forces that also include the electromagnetic force, the s ...
... Law of Gravitation – any two masses exert an attractive force on each other, F = G (m1m2)/d2 G = 6.67 x 10-11 m3/kg.s2 Acceleration due to gravity on Earth is 9.8 m/s2 Mercury – 3.8 m/s2 Jupiter – 25.8 m/s2 Gravity is one of the four basic forces that also include the electromagnetic force, the s ...
Chapter 2 PowerPoint
... · Vector Quantity · A quantity that needs both magnitude and direction for a complete description · Force, velocity, acceleration ...
... · Vector Quantity · A quantity that needs both magnitude and direction for a complete description · Force, velocity, acceleration ...
8A Quick Quiz - Grade10ScienceISZL
... force, but if the mass is very, very ____________ as with a planet or a star, the gravity can be very ____________. The region where a gravitational force can be felt is often referred to as a gravitational ______________ . The Earth's gravitational field attracts every object on Earth. This gives a ...
... force, but if the mass is very, very ____________ as with a planet or a star, the gravity can be very ____________. The region where a gravitational force can be felt is often referred to as a gravitational ______________ . The Earth's gravitational field attracts every object on Earth. This gives a ...
uniform circular motion and universal gravitation
... f. If object A gravitationally attracts object B with a force of X Newtons, then object B will also gravitationally attract object A with the same force of X Newtons. g. The doubling of the separation distance (measured from the center) between two objects will halve the gravitational force between ...
... f. If object A gravitationally attracts object B with a force of X Newtons, then object B will also gravitationally attract object A with the same force of X Newtons. g. The doubling of the separation distance (measured from the center) between two objects will halve the gravitational force between ...
Studying the Force of Gravity
... So… the speed of a falling object depends on…. How Long it Falls! ...
... So… the speed of a falling object depends on…. How Long it Falls! ...
Physics Unit 2 Review
... A measure of the pulling force of gravity A force that pulls every mass toward every other mass ...
... A measure of the pulling force of gravity A force that pulls every mass toward every other mass ...
Back Questions on Momentum
... make the time that the force is in contact with the object as small as possible. make the time that the force is in contact with the object as large as possible. make the force causing the change perpendicular to the direction pi. make the force causing the change perpendicular to the direction pf. ...
... make the time that the force is in contact with the object as small as possible. make the time that the force is in contact with the object as large as possible. make the force causing the change perpendicular to the direction pi. make the force causing the change perpendicular to the direction pf. ...
General Physics (PHY 2130) - Wayne State University Physics and
... Using an hydraulic lift reduces the amount of force needed to lift a load, but the work done is the same. ...
... Using an hydraulic lift reduces the amount of force needed to lift a load, but the work done is the same. ...
Friction and Gravity
... Objects falling through the air experience a type of fluid friction called air resistance. Air resistance is NOT the same for all objects. The larger the mass of the object, the greater the air resistance. Example: a leaf falls more slowly than an acorn because it is wider and has a greater mass. Th ...
... Objects falling through the air experience a type of fluid friction called air resistance. Air resistance is NOT the same for all objects. The larger the mass of the object, the greater the air resistance. Example: a leaf falls more slowly than an acorn because it is wider and has a greater mass. Th ...
6.3 Apparent forces in circular motion
... At the top of the loop the normal force is pushing down. There must be a net force downward, toward the circle’s center. If x is positive toward the center, then the sum of the forces is: mv 2 Fx nx wx n w r ...
... At the top of the loop the normal force is pushing down. There must be a net force downward, toward the circle’s center. If x is positive toward the center, then the sum of the forces is: mv 2 Fx nx wx n w r ...
dynamics
... Ex 10: A 2 kg object accelerates from rest to 5 m/s in 0.4 s. What is the net force on the object? Ex 11: A force of 20 N acts on a 4 kg object. What distance does the object travel in 3 s? (v0=0) Mass and Weight Mass is the amount of matter. Mass is scalar. (unit: kg) Weight is the gravitational fo ...
... Ex 10: A 2 kg object accelerates from rest to 5 m/s in 0.4 s. What is the net force on the object? Ex 11: A force of 20 N acts on a 4 kg object. What distance does the object travel in 3 s? (v0=0) Mass and Weight Mass is the amount of matter. Mass is scalar. (unit: kg) Weight is the gravitational fo ...
Chapter 5
... ∑Fy = mg + (-Dvy2) = may • When the rock first starts to move, vy = 0, the resisting force is zero, and the initial acceleration is ay = g. As the speed increases, the air resistance force also increases, until finally it is equal in magnitude to the weight. At this time mg – D∙vy2 = 0, the accelera ...
... ∑Fy = mg + (-Dvy2) = may • When the rock first starts to move, vy = 0, the resisting force is zero, and the initial acceleration is ay = g. As the speed increases, the air resistance force also increases, until finally it is equal in magnitude to the weight. At this time mg – D∙vy2 = 0, the accelera ...
Math Practice Problems 2nd 8 weeks
... There are two opposing forces on a box. A person applies a 50 N force on a box attempting to push it to the right. The frictional force opposing the box (floor) is approximately 35 N. Draw a vector diagram showing the forces and direction of the forces. What is the summation of the forces? ...
... There are two opposing forces on a box. A person applies a 50 N force on a box attempting to push it to the right. The frictional force opposing the box (floor) is approximately 35 N. Draw a vector diagram showing the forces and direction of the forces. What is the summation of the forces? ...
Chapter 12 Forces and Motion 12.1 Forces
... Because sliding friction is less than static friction, less force is needed to keep an object moving than to start it moving. Rolling Friction Rolling friction is the friction that acts on rolling objects. Rolling friction is much less than static and sliding friction – which is why wheels are so us ...
... Because sliding friction is less than static friction, less force is needed to keep an object moving than to start it moving. Rolling Friction Rolling friction is the friction that acts on rolling objects. Rolling friction is much less than static and sliding friction – which is why wheels are so us ...
5.1 Force changes motion
... Investigation 5A Force and Acceleration • What happens when force is applied to something that can move? ...
... Investigation 5A Force and Acceleration • What happens when force is applied to something that can move? ...
1 Net Force, Acceleration and Mass Date ______ When two objects
... ________________ to the magnitude of the force SIMULTANEOUSLY exerted on object 2 by object 1. These forces are _______________ in direction. ...
... ________________ to the magnitude of the force SIMULTANEOUSLY exerted on object 2 by object 1. These forces are _______________ in direction. ...
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.