Chapter 7
... The sign of the acceleration does not have to be the same as the sign of the angular speed The instantaneous angular acceleration is defined as the limit of the average acceleration as the ...
... The sign of the acceleration does not have to be the same as the sign of the angular speed The instantaneous angular acceleration is defined as the limit of the average acceleration as the ...
Forces - Images
... – Objects at rest will remain at rest, and objects in motion will remain in motion, unless an unbalanced force acts on them. ...
... – Objects at rest will remain at rest, and objects in motion will remain in motion, unless an unbalanced force acts on them. ...
Chapter 4 - AstroStop
... 1 kg weighs 2.2 lb. Mass and size are often confused. Galileo introduced inertia. Newton grasped its significance. ...
... 1 kg weighs 2.2 lb. Mass and size are often confused. Galileo introduced inertia. Newton grasped its significance. ...
Preview of Period 3: Motion and Forces
... 3.1:A rate is a ratio. Common ratios include speed, velocity, and acceleration. The ratio, Distance traveled/Time elapsed, = speed (or velocity, if the direction of motion is indicated) 3.2:A change in velocity occurs when a net force acts on a moving object. ♦ A force is any push or pull on an obje ...
... 3.1:A rate is a ratio. Common ratios include speed, velocity, and acceleration. The ratio, Distance traveled/Time elapsed, = speed (or velocity, if the direction of motion is indicated) 3.2:A change in velocity occurs when a net force acts on a moving object. ♦ A force is any push or pull on an obje ...
1 Chapter 4: Forces and the Laws of Motion pages 119 144 Date __
... The size of the arrow reflects the __________________ of the force and the direction of the arrow shows the ________________ which the force is acting. The object is represented by a box and the force arrow is drawn from the box outward in the direction in which the force is acting. Fapp is the fo ...
... The size of the arrow reflects the __________________ of the force and the direction of the arrow shows the ________________ which the force is acting. The object is represented by a box and the force arrow is drawn from the box outward in the direction in which the force is acting. Fapp is the fo ...
Slide 1
... Thus, in uniform circular motion there must be a net force to produce the centripetal acceleration. The centripetal force is the name given to the net force required to keep an object moving on a circular path. The direction of the centripetal force always points toward the center of the circle and ...
... Thus, in uniform circular motion there must be a net force to produce the centripetal acceleration. The centripetal force is the name given to the net force required to keep an object moving on a circular path. The direction of the centripetal force always points toward the center of the circle and ...
Forces - Vicphysics
... You will often be asked to draw diagrams illustrating forces. There are several considerations when drawing force diagrams: The arrows that represent the forces should point in the direction of applied force. The length of the arrow represents the strength of the force, so some effort should be ma ...
... You will often be asked to draw diagrams illustrating forces. There are several considerations when drawing force diagrams: The arrows that represent the forces should point in the direction of applied force. The length of the arrow represents the strength of the force, so some effort should be ma ...
Chapter 4
... Friction is proportional to the normal force The force of static friction is generally greater than the force of kinetic friction The coefficient of friction (µ) depends on the surfaces in contact The direction of the frictional force is opposite the direction of motion The coefficients of friction ...
... Friction is proportional to the normal force The force of static friction is generally greater than the force of kinetic friction The coefficient of friction (µ) depends on the surfaces in contact The direction of the frictional force is opposite the direction of motion The coefficients of friction ...
Chapter 8 Name MULTIPLE CHOICE. Choose the one alternative
... 10) Two equal forces are applied to a door at the doorknob. The first force is applied perpendicular to the door; the second force is applied at 30° to the plane of the door. Which force exerts the greater torque? A) the first applied perpendicular to the door B) the second applied at an angle C) bo ...
... 10) Two equal forces are applied to a door at the doorknob. The first force is applied perpendicular to the door; the second force is applied at 30° to the plane of the door. Which force exerts the greater torque? A) the first applied perpendicular to the door B) the second applied at an angle C) bo ...
lecture03
... FAB If object A exerts a force on object B (an “action”), then object B exerts a force on body A (a “reaction”). These two forces have the same magnitude but opposite direction. Note: these two forces act on different objects. ...
... FAB If object A exerts a force on object B (an “action”), then object B exerts a force on body A (a “reaction”). These two forces have the same magnitude but opposite direction. Note: these two forces act on different objects. ...
Why do things move?
... natural philosophy” --- Newton’s Principia --Four laws (three on motion and one on gravitation) built on Galileo’s ideas. • Laws could explain motion of any object eg. a ball or a planet! (terrestrial & celestial) • Laws led to important predictions… e.g. discovery of Neptune! • Newton’s laws - a tr ...
... natural philosophy” --- Newton’s Principia --Four laws (three on motion and one on gravitation) built on Galileo’s ideas. • Laws could explain motion of any object eg. a ball or a planet! (terrestrial & celestial) • Laws led to important predictions… e.g. discovery of Neptune! • Newton’s laws - a tr ...
Chapter 6 - Santa Rosa Junior College
... them, trying to push them out. This is due to your inertia – the fact that your mass does not want to go in a circle. The centrifugal force is called ‘fictitious’ because it isn’t due to any real force – it is only due to the fact that you are rotating. The centripetal force is ‘real’ because it is ...
... them, trying to push them out. This is due to your inertia – the fact that your mass does not want to go in a circle. The centrifugal force is called ‘fictitious’ because it isn’t due to any real force – it is only due to the fact that you are rotating. The centripetal force is ‘real’ because it is ...
Newton`s Laws of Motion - ISHR-G10
... Questions. Try these problems on Newton’s 2nd Law, writing out the answers as above: (1) What force is required to accelerate a child on a sled of combined mass 60kg at 1.15 m/s2 ? (2) A net force of 255N accelerates a bike and rider at 2.20 m/s2. What is the mass of the bike and rider? (3) How much ...
... Questions. Try these problems on Newton’s 2nd Law, writing out the answers as above: (1) What force is required to accelerate a child on a sled of combined mass 60kg at 1.15 m/s2 ? (2) A net force of 255N accelerates a bike and rider at 2.20 m/s2. What is the mass of the bike and rider? (3) How much ...
Chapter 3
... • Forces that originate within the object itself • They cannot change the object’s velocity ...
... • Forces that originate within the object itself • They cannot change the object’s velocity ...
FORCE & MOTION - Boyle County School District
... 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 ...