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| 1.
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Newton's first law of motion states that __________.
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| | A) | when a force acts on an object, its acceleration is in the same direction as the force |
| | B) | when a force is applied on an object, there is an equal force applied by the object in the opposite direction |
| | C) | an object will remain at rest or keep moving unless a force acts on it |
| | D) | acceleration is calculated by dividing the force exerted on an object by the mass of the object |
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| 2.
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__________ is the change in velocity divided by the time needed for the change to occur.
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| | A) | Average velocity |
| | B) | Speed |
| | C) | Acceleration |
| | D) | Displacement |
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| 3.
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Any change over time is called a(n) __________.
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| | A) | speed |
| | B) | acceleration |
| | C) | velocity |
| | D) | rate |
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| 4.
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Average speed is found by __________.
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| | A) | multiplying total distance traveled by the total time |
| | B) | multiplying the displacement by the total time spent |
| | C) | dividing the displacement by the total time spent |
| | D) | dividing total distance traveled by the total time |
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| 5.
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The __________ is the combination of all the forces acting on an object.
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| | A) | direction of motion |
| | B) | inertia |
| | C) | force pair |
| | D) | net force |
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| 6.
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__________ measures an object's tendency to resist changing its motion.
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| | A) | Mass |
| | B) | Acceleration |
| | C) | Gravity |
| | D) | Inertia |
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| 7.
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__________ is the speed of an object at any instant of time.
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| | A) | Instantaneous speed |
| | B) | Velocity |
| | C) | Acceleration |
| | D) | Average speed |
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| 8.
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The distance between the final position and the starting position is the __________.
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| | A) | acceleration |
| | B) | velocity |
| | C) | differential |
| | D) | displacement |
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| 9.
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Changes in which of the following of Earth's layers cause earthquakes?
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| | A) | lithosphere |
| | B) | magnetosphere |
| | C) | stratosphere |
| | D) | core |
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| 10.
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The direction and speed of an object is described by its __________.
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| | A) | displacement |
| | B) | average speed |
| | C) | velocity |
| | D) | average displacement |
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| 11.
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If a runner maintains a constant speed of 12 km/h, how long will it take to complete a marathon race of 26.2 miles?
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| | A) | 5.3 h |
| | B) | 3.52 h |
| | C) | 3.14 h |
| | D) | 2.18 h |
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| 12.
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At 8:00 AM you leave home and walk 0.5 km to a friend's house. At 11:30 AM you return home, then travel by car to the mall, which is 10 km away, and arrive at 11:45 AM. What is the total distance traveled?
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| | A) | 10 km |
| | B) | 2.8 km/h |
| | C) | 11 km |
| | D) | 10.5 km |
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| 13.
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If you travel 1.7 km north from your house at noon, and at 6:00 PM you travel 5.4 km south, what is your displacement?
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| | A) | 7.1 km north |
| | B) | 3.7 km |
| | C) | 3.7 km south |
| | D) | 7.1 km south |
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| 14.
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To calculate the distance traveled continuously in a straight line, __________.
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| | A) | divide the distance traveled by the time needed to travel the distance |
| | B) | divide the change in velocity by the time over which the change occurs |
| | C) | subtract the time needed to travel the distance by the total distance traveled |
| | D) | subtract final position from starting position |
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| 15.
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A(n) __________ is a push or a pull that one body exerts on another.
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| | A) | motion |
| | B) | acceleration |
| | C) | velocity |
| | D) | force |
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| 16.
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The distance between an object and a reference point is the object's __________.
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| | A) | position |
| | B) | neutral point |
| | C) | displacement |
| | D) | velocity |
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| 17.
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Motion occurs when an object changes its __________.
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| | A) | volume |
| | B) | mass |
| | C) | force |
| | D) | position |
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| 18.
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If a student leaves home at 7:30 AM to walk to his school 2 km away, stops at a neighbor's house for 15 min, then arrives at school at 8:00 AM, what is the student's average speed for the trip to school?
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| | A) | 2 km/h |
| | B) | 4 km/h |
| | C) | 2.67 km/h |
| | D) | 8 km/h |
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| 19.
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Which of the following is not an acceleration?
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| | A) | stopping your bike at an intersection |
| | B) | riding your bike straight down the street at a constant speed |
| | C) | riding your bike faster when you ride down a hill |
| | D) | slowing your bike ride so you can make it up a hill |
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| 20.
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The SI unit of distance is the __________.
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| | A) | liter |
| | B) | meter |
| | C) | gram |
| | D) | mile |
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