Physical Science Semester Exam

What is velocity?

• the quickness of an object

• the location of an object

• acceleration

• the speed of an object in a specific direction

Speed and Velocity are calculated the same way. 

• True

• False

Kira jogs to a store 64m away in a time of 22s . What is Kira’s average speed?

• 1.5 m/s

• 1.9 m/s

• 2.0 m/s

• 2.9 m/s

What is the speed of a jet plane that travels 632 meters in 5 seconds?

• 126.0

• 126.4

• 126.8

• 127.2

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The energy associated with moving objects is called

• Kinetic energy

• Mass

• Heat energy

• Potential energy

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A fan car is placed on the floor, and the fan is turned on. The force of the fan is greater than the frictional forces on the car. What will the car do as it moves across the floor?

• Move at a constant speed

• Accelerate

• Slow down

• Not move

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This is the force that attracts an object towards the center of the center of the Earth.

• Newton

• Weight

• Gravity

• Friction

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The law of universal gravitation is credited to whom?

• Einstein

• Beckett

• Rose

• Newton

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The amount of matter in an object is what?

• Pressure

• Weight

• Mass

• Friction

Which law of Newton says an object at rest will stay at rest and an object in motion will stay in motion? 

• Newton’s first law of motion

• Newton’s second law of motion

• Newton’s third law of motion

• Newton’s fourth law of motion