Motion Question Preview (ID: 55692)
Motion.
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If a hockey stick acts on a resting puck, what will happen?
a) The puck will remain at rest and the hockey stick will accelerate.
b) The puck will balance on the end of your hockey stick until you drop it.
c) The hockey stick will not move the puck, but the puck will move the hockey stick.
d) The hockey stick will change the speed of the puck and make it accelerate.
Your skateboard begins to slow down when you roll off the sidewalk and across the gravel. What is at work?
a) gravity
b) friction
c) balance
d) none of the above
What does friction do to an object?
a) makes it rise
b) makes it speed up
c) makes it slow down
d) all of the above
What does the second part of Newton's first law of say about objects at rest?
a) They cannot move unless they have a lot of friction.
b) If they are heavy, they will stay at rest, but if they are light, they will move.
c) They will stay at rest unless an outside force makes them move.
d) They have more inertia than objects in motion.
While you are ice-skating with your friends, you push off from one end of the rink and slide forward. Based on Newton's first law of motion, what is true?
a) You will lose your balance and fall over before you reach the middle of the ice rink.
b) You will continue to slide across the ice until a force makes you stop or change direction.
c) The force of gravity will make you keep your velocity until your friends make you stop.
d) The size of your ice skates will determine how quickly or slowly you travel across the ice.
What is an example of friction?
a) slipping on a patch of ice
b) dropping a book on the floor
c) diving into a swimming pool
d) wind blowing against you as you walk
Which object would require the most amount of energy, or force, to set into motion?
a) a school bus
b) a refrigerator
c) a microwave
d) a potted plant
What is the name of the unit you use to measure force?
a) neutron
b) norton
c) nucleus
d) newton
What would you need to move a soccer ball?
a) friction
b) gravity
c) force
d) inertia
What happens when two objects, such as a baseball and a bat, collide?
a) One remains still while the other moves in the same direction.
b) They hit each other with the same force in opposite directions.
c) They hit each other with unequal forces in opposite directions.
d) They hit each other with the same force in the same direction.
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