# General Science Review 3.1: Question Preview (ID: 11957)

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**__________ is the transfer of energy**

a) work

b) power

c) kinetic energy

d) potential energy

**_________ is the rate of energy transferred**

a) work

b) power

c) kinetic enery

d) potential energy

**What 2 things are measured in Joules?**

a) work and power

b) work and energy

c) energy and power

d) none of the choices

**One biker (A) going 5 m/s and another biker (B) going 4 m/s reach the top of a hill. Which of the following statements is true?**

a) biker A does more work than biker B

b) biker B does more work than biker A

c) both bikers do the same amount of work

d) both bikers have the same amount of power

**Kinetic energy increases when_______ and ________ increase**

a) mass; volume

b) mass; velocity

c) weight; volume

d) weight; velocity

**What is the equation for calculating kinetic energy**

a) 1/2 x mass x volume^2

b) 1/2 x mass x velocity^2

c) 1/2 x velocity x mass^2

d) 1/2 x volume x mass^2

**Gravitational potential energy depends on _________ while elastic potential energy depends on _________**

a) height; stretching

b) height; compressing

c) weight; compressing

d) all of the choices

**What is the gravitational potential energy of someone who weighs 80 N and is 5 m above ground**

a) 400 Joules

b) 40 Joules

c) 16 Joules

d) 160 Joules

**__________ increases elastic potential energy while __________ decreases it**

a) stretching; compressing

b) compressing; stretching

c) weighing more; weighing less

d) weighing less; weighing more

**What is the kinetic energy of an object with a mass of 6 kg and a velocity of 3 m/s?**

a) 18 Joules

b) 9 Joules

c) 27 Joules

d) 54 Joules

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