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- 1. Multiple ChoiceA bus hits a bug and the bug splatters on the windshield, which force is greater?The BusThe BugThey're the sameGravity acting on the bus
- 2. Multiple ChoiceNewton's third law states that any action will have a(n) _______ and ______ reactionEqual and similarEqual and oppositeEqual and differentGreater and opposite
- 3. Multiple ChoiceA book rests on a table. The force of gravity pulls down on the book with a force of 20 newtons. What prevents the books from accelerating downward at 9.8 m/sec2The table presses back up on the book with an equal and opposite force of 20 newtons.The table presses back up on the book with a force greater than 20 newtons.The table and the book together are accelerating downwards at 9.8 m/sec2The inertia of the book holds it up
- 4. Multiple Choice
A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Which statement best describes the backward motion of the boat as the person steps forward?For every action there is an equal and opposite reaction.Every mass exerts a force on every other mass.An object at rest tends to stay at rest.Friction opposes the motion of an object. - 5. Multiple ChoiceWhen gravity pulls a skydiver towards the Earth, the reaction force is...The skydiver pulling the Earth.Air resistanceThe weight of the skydiverDrag
- 6. Multiple ChoiceWhat force stops your foot slipping on the ground when you walk?GravityKinetic energyFrictionUpthrust
- 7. Multiple ChoiceAn object is moving at a constant velocity. What can you say about the forces on it?They are unbalancedThey are balancedThey are all acting in the same directionThere cannot be any forces on it
- 8. Multiple ChoiceThe measure of the pull of gravity on an object is ___________________.motionweightspeedfriction
- 9. Multiple ChoiceYou hit a wall with a stick. The equal but opposite reaction is _____the wall pushes against youthe stick pushes against youyou push against the stickthe wall pushes against the stick
- 10. Multiple ChoiceA 500 Kg cannon fires a 5 Kg cannonball. Which object experiences the greatest force?The cannonThe cannonballThe forces are equal and opposite.Not possible to determine
- 11. Multiple ChoiceTrue or false, you cannot exert 100 N of force on a piece of paper.True - the paper cannot return the equal amount of force due to its low inertia.False - for every action there is an equal and opposite reaction.
- 12. Multiple ChoiceJenny and Johnny each have a mass of 55.0 Kg. If both are on roller skates, and Jenny pushes Johnny, who experiences the greatest force?JennyJohnnyThe forces are the same.
- 13. Multiple ChoiceJenny and Johnny each have a mass of 55.0 Kg. If both are on roller skates, and Jenny pushes Johnny, who experiences the greatest acceleration?JennyJohnnyThe accelerations are the same since they have the same mass and the same force is applied.
- 14. Multiple ChoiceJacob runs into a very large tree on his bicycle. Which experiences a greater force?JacobThe treeThe forces are the same.
- 15. Multiple ChoiceHow much force is applied to Ben's hand if he hits the wall with a force of 1,000 N?500 N1,000 N2,000 NNot possible to determine.
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