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Class Feud. Forces and Motion. Forces. Acceleration. Motion. Velocity. Velocity. Speed. Class Feud. Team １. Team ２. CLASS FEUD. A force is a ________ or a ________. CLASS FEUD. A force is a ________ or a ________. Answer: A push or a pull. CLASS FEUD.
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ClassFeud Forces and Motion
Forces Acceleration Motion Velocity Velocity Speed ClassFeud Team１ Team２
CLASS FEUD A force is a ________ or a ________.
CLASS FEUD A force is a ________ or a ________. Answer: A push or a pull.
CLASS FEUD Balanced forces produce a net force of _________.
CLASS FEUD Balanced forces produce a net force of _________. Answer: zero
CLASS FEUD Rolling friction is usually A. less thanB. more thanC. equal tosliding friction.
CLASS FEUD Rolling friction is usually A. less thanB. more thanC. equal tosliding friction. Answer: Less than
CLASS FEUD Unbalanced forces are necessary to cause a change in __________.
CLASS FEUD Unbalanced forces are necessary to cause a change in __________. Answer: motion
CLASS FEUD You can run 100 meters in 10 seconds. What is your speed?
CLASS FEUD You can run 100 meters in 10 seconds. What is your speed? Answer: 10 m/s
CLASS FEUD An example of acceleration is: A. a hovering helicopterB. a car turning a cornerC. bicycling at 40 m/s
CLASS FEUD An example of acceleration is: A. a hovering helicopterB. a car turning a cornerC. bicycling at 40 m/s Answer:A car turning a corner
CLASS FEUD _________ friction includes both liquids and gases.
CLASS FEUD _________ friction includes both liquids and gases. Answer: Fluid
CLASS FEUD A student riding her bicycle on a straight, flat road covers one block every 7 seconds. If each block is 100 m long, she is traveling at _________ speed or velocity.
CLASS FEUD A student riding her bicycle on a straight, flat road covers one block every 7 seconds. If each block is 100 m long, she is traveling at _________ speed or velocity. Answer: constant
CLASS FEUD A force is expressed in ___________.
CLASS FEUD A force is expressed in ___________. Answer: Newtons
CLASS FEUD If a bus traveling 15 m/s south speeds up to 20 m/s, this is a change in __________.
CLASS FEUD If a bus traveling 15 m/s south speeds up to 20 m/s, this is a change in __________. Answer: speed or velocity or acceleration
CLASS FEUD Acceleration is the rate of change in ____________.
CLASS FEUD Acceleration is the rate of change in ____________. Answer: velocity (also accept speed or direction)
CLASS FEUD The distance divided by the time it took to travel that distance is an object’s _________.
CLASS FEUD The distance divided by the time it took to travel that distance is an object’s _________. Answer: speed
CLASS FEUD When you combine all forces acting on an object you get the ____________.
CLASS FEUD When you combine all forces acting on an object you get the ____________. Answer: net force
CLASS FEUD _________ is a force that opposes motion.
CLASS FEUD _________ is a force that opposes motion. Answer: Friction
CLASS FEUD What is the net force when you combine a force of 7 N north with a force of 2 N south?
CLASS FEUD What is the net force when you combine a force of 7 N north with a force of 2 N south? Answer: 5N north
CLASS FEUD Moving blades of a windmill or a pinwheel are example of ___________ acceleration.
CLASS FEUD Moving blades of a windmill or a pinwheel are example of ___________ acceleration. Answer: centripetal
CLASS FEUD Decreasing velocity can be referred to as:A. accelerationB. decelerationC. negative accelerationD. All of the above.
CLASS FEUD Decreasing velocity can be referred to as:A. accelerationB. decelerationC. negative accelerationD. All of the above. Answer: D. all of the above
CLASS FEUD Are the forces on a kicked soccer ball balanced or unbalanced? How do you know?
CLASS FEUD Are the forces on a kicked soccer ball balanced or unbalanced? How do you know? Answer: Unbalanced because the ball changes speed and/or direction.
