Shopping Review and Quiz Answers

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45

Which image shows both potential and kinetic energy?

A
Option
B
Option
C
Option
46

Which statements describe kinetic and potential energy? Check all that apply.Energy can be stored in the position of an object.Energy is not present in a moving object.Energy can be stored in the position of the particles that make up a substance.Energy exists as movement of the particles of a substance. Energy is greater in faster-moving particles than in slower-moving particles.Energy is lower in objects with greater mass than in objects with less mass.

A
Energy can be stored in the position of an object.
B
Energy is not present in a moving object.
C
Energy can be stored in the position of the particles that make up a substance.
D
Energy exists as movement of the particles of a substance.
E
Energy is greater in faster-moving particles than in slower-moving particles.
F
Energy is lower in objects with greater mass than in objects with less mass.
47

Which statement best defines energy?

A
Energy is the force applied over a distance.
B
Energy is the ability to do work.
C
Energy is the rate at which work is done.
D
Energy is the motion of objects.
50

shelf A [___]

A
stays the same
B
increases
C
decreases
52

Bridget is riding her bicycle up a hill. Which statements are correct? Select five options.Bridget is transferring energy to the bicycle.The bicycle is using energy to do work.Bridget has kinetic energy.The bicycle has potential energy.Bridget has nuclear energy.The bicycle has mechanical energy.

A
Bridget is transferring energy to the bicycle.
B
The bicycle is using energy to do work.
C
Bridget has kinetic energy.
D
The bicycle has potential energy.
E
Bridget has nuclear energy.
F
The bicycle has mechanical energy.
53

A yellow ball with a mass of 2 kg is rolling across the floor at 3 m/s. A red ball with a mass of 3 kg is rolling across the same floor at 3 m/s. Which ball has greater kinetic energy, and why?

A
The yellow ball has greater kinetic energy, because it is rolling at a higher position above the ground.
B
The red ball has greater kinetic energy, because it has a greater mass.
C
The yellow ball has greater kinetic energy, because it is rolling at a greater speed.
D
The red ball has greater kinetic energy, because it is releasing more thermal energy.
55

How does work affect energy between objects so it can cause a change in the form of energy?

A
Work transfers energy.
B
Work changes energy.
C
Work increases energy.
D
Work decreases energy.

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