Kinetic and Potential Energies | 50 plays

1.

Multiple Choice

1 min

1 pt

When a person holds an object, it has potential energy. How will the potential energy change if the person lifts the object above his or her head?

The object's potential energy will be the same.

The object's potential energy will be greater.

The object's potential energy will be less.

The object's potential energy will be zero.

2.

Multiple Choice

1 min

1 pt

The gravitational potential energy of an object depends on the mass of the object, the strength of the gravitational field, and which of the following relative to the ground?

the color of the object

the height of the object

the shape of the object

the speed of the object

3.

Multiple Choice

1 min

1 pt

What kind of energy is in a moving skateboard?

Potential

Kinetic

4.

Multiple Choice

1 min

1 pt

When a pendulum swings, at which point is kinetic energy highest?

1

2

3

4

5.

Multiple Choice

1 min

1 pt

Which point has the most potential energy?

G

f

b

a

6.

Multiple Choice

1 min

1 pt

What kind of energy is in gasoline in a car tank (car is not on)?

Potential

Kinetic

7.

Multiple Choice

1 min

1 pt

What kind of energy is in an acorn hanging from an oak tree?

Potential

Kinetic

8.

Multiple Choice

1 min

1 pt

Girl serving a volleyball

Potential

Kinetic

9.

Multiple Choice

5 mins

1 pt

What is the kinetic energy from the motion of a 0.06kg tennis ball traveling at a speed of 50 m/s?

25 J

50 J

75 J

100 J

10.

Multiple Choice

5 mins

1 pt

A boulder with a mass of 2,500 kg rest on a ledge that is 200 meters above the ground falls to the valley below. Estimate the gravitational potential energy of the Boulder-Earth system relative to the valley floor.

4,900,000 J

500,000 J

2,450,000 J

3,900,000 J

11.

Multiple Select

2 mins

1 pt

What are Types of Potential energy? (click all that apply)

Elastic

Chemical

Speed

Gravitational

12.

Multiple Choice

1 min

1 pt

What is the equation for Kinetic Energy?

KE=mv²

KE = 1/2 mv

KE = 1/2 mv²

KE = m 1/2 v²

13.

Multiple Select

2 mins

1 pt

What would be examples of Chemical Potential energy? click all that apply.

Food from Lunch

Ball setting at top of a hill

Rubber band pulled back but not released

Gas in a car that is not running

14.

Multiple Choice

1 min

1 pt

Stored energy is known as

radiant energy

mechanical energy

kinetic energy

potential energy

15.

Multiple Choice

1 min

1 pt

As a falling apple approaches the ground, its potential energy

Increases

Decreases

Remains the same

Is zero

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