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Force and Motion
Review
| Question | Answer |
|---|---|
| A student who was training for a cross country race jogged for 2.0 hours and covered a distance of 14 kilometers. What was the average speed of the student? | a) 1.5 km/h c) 13.0 km/h b) 7.0 km/h d) 30.0 km/h |
| If an object starts to move, ____________. | a) a balanced force is acting on it b) gravity is acting on it c) velocity is acting on it d) an unbalanced force is acting on it |
| Your weight _________. | a) is the same on Earth and on Mars b) is the same as your mass c) depends on the Moon d) is the pull of gravity on you |
| The tendency to resist a change in an object’s motion is _________. | a) inertia b) an unbalanced force c) a balanced force d) work |
| Which of the following best describes the distance covered per unit of time? | a) speed b) power c) force d) energy |
| Friction is a force that __________. | a) speeds up motion b) balances motion c) slows down motion d) equals motion |
| An index card is placed across the top of a drinking glass. A coin is then placed on top of the index card. A student quickly flicks the card sideways off the glass. Which of the following explains why the coin falls into the glass. | a) The coin’s inertia keeps it from moving when the card is flicked until gravity pulls it down b) The friction between the card and the coin is so large the coin does not move |
| What is the difference between the velocity and the speed of an object? | a) Velocity is the change in distance over time, while speed is the change in velocity over time. b) Velocity has a direction associated with it, while speed has no specific direction. |
| A student walks 2 kilometers in 30 minutes. What is the student’s average speed in kilometers per hour? | a) 60 kilometers per hour b) 15 kilometers per hour c) 4 kilometers per hour d) 1 kilometer per hour |
| Hannah decides to go to Galveston on her Spring Break trip. She drives 98 miles from Willis to Galveston and it takes her 2.5 hours due to traffic and construction in Houston. What is Hannah’s average speed in miles per hour? | a) 75 miles per hour b) 45 miles per hour c) 50 miles per hour d) 39 miles per hour |
Created by:
Jerry.Reese23
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