Quiz about Energy, Work, Power

Question 1

How do you calculate power?

Accepted Answer

P = W/t

Answer

P = E/t

Answer

P = w * t

Answer

P = bbq/chicken

Question 2

How do we calculate work?

Accepted Answer

W = F * d

Answer

w = f * D

Answer

W = F * D

Answer

w = f * d

Question 3

The SI unit of work is?

Accepted Answer

Joules

Answer

Watts

Answer

Newtons

Answer

meters

Question 4

The energy of movement is...?

Accepted Answer

Kinetic

Answer

Potential

Question 5

Energy that is stored is called...

Accepted Answer

Potential

Answer

Kinetic

Question 6

The SI unit for power is...?

Accepted Answer

Watts

Answer

Joules

Answer

Newtons

Answer

Meters

Question 7

What is the formula for Gravitational Potential Energy?

Accepted Answer

PE = m*g*h

Answer

KE = 1/2m*v2

Answer

W = F*d

Answer

P = W/t

Question 8

What is the formula for Kinetic Energy?

Accepted Answer

KE = 1/2m*v2

Answer

PE = m*g*h

Answer

W = F*d

Answer

P = W/t

Question 9

Question 9.

Accepted Answer

A is Potential, B is Kinetic

Answer

A is Kinetic, B is Potential

Answer

A is Power, B is Work

Answer

A is Work, B is Power

Question 10

What is g on Earth?

Accepted Answer

9.8 m/s/s

Answer

9.8 m/s

Answer

42 m*s

Answer

42 m/s/s

Question 11

What is the potential energy of a 3kg ball that is on the ground?

Accepted Answer

0 J

Answer

3 J

Answer

9.8 J

Answer

29.4 J

Question 12

Energy of a rock perched on a cliff is an example of...

Accepted Answer

gravitational

Answer

elastic

Answer

chemical

Answer

kinetic

Question 13

Energy from a compressed spring would be an example of...

Accepted Answer

elastic

Answer

kinetic

Answer

gravitational

Answer

chemical

Question 14

How much work is being done with 200 N of force over 426 meters?

Accepted Answer

85,200 J

Answer

45,620 J

Answer

90,480 J

Answer

62,329 J

Question 15

Gravitational potential energy depends on the ________ and ________ of the object.

Accepted Answer

Height and mass

Answer

Friction and movement

Answer

Mass and Movement

Answer

Height and Friction

Question 16

What is the formula for calculating the total amount of mechanical energy?

Accepted Answer

ME = KE + PE

Answer

KE = ME + PE

Answer

PE = KE + ME

Answer

ME = 1/2 mv²

Question 17

Why does the total amount of mechanical energy stay constant in a system?

Accepted Answer

energy is not created or destroyed

Answer

energy leaves

Answer

energy enters

Answer

energy is not converted from one form into another

Question 18

A student needs 10 Newtons of force to lift a box to the top of a 2 meter shelf. How much work do they do?

Accepted Answer

20 J

Answer

12 J

Answer

8 J

Answer

5 J

Question 19

A soccer player kicks a ball with 20 Newtons of force causing it to travel 100 meters. How much work is done on the ball?

Accepted Answer

2000 J

Answer

200 J

Answer

80 J

Answer

5 J

Question 20

Energy cannot be ________ or ___________.

Accepted Answer

created/destroyed

Answer

big/small

Answer

left/right

Answer

made/transferred

Question 21

Energy can be transformed from one form into another, but the total amount of energy never changes.

Accepted Answer

Law of conservation of energy

Answer

Work-energy theorem

Answer

Newton's second law of motion

Answer

King's theorem of energy

Question 22

What is the difference between calculating power and work?

Accepted Answer

Power takes into account the time it takes to complete a task

Answer

Work takes into account the time it takes to complete a task

Answer

Power is force/area

Answer

Work is force/area

Question 23

What kind of energy does this device use?

Accepted Answer

Electrical

Answer

Chemical

Answer

Thermal

Answer

Chemical

Question 24

Energy that is stored in bonds between atoms is:

Accepted Answer

Chemical energy

Answer

Mechanical energy

Answer

Kinetic energy

Answer

Nuclear energy

Energy, Work, Power

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