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Understanding Work, Power, and Energy

Authored by Lymnuel Libunao

Other

8th Grade

Used 1+ times

Understanding Work, Power, and Energy
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating work?

Work = Force - Distance

Work = Force / Distance

Work = Force × Distance × cos(θ)

Work = Force + Distance

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define power in terms of work and time.

Power = Work - Time

Power = Time / Work

Power = Work + Time

Power = Work / Time

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What unit is used to measure energy?

liters

joules

grams

meters

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is kinetic energy calculated?

KE = m * v

KE = 0.5 * v^2

KE = 0.5 * m * v^2

KE = m * v^2 / 2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between work and energy?

Energy can be created from nothing through work.

Work is the same as energy.

Work is the transfer of energy through force applied over a distance.

Work is only done when energy is lost.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the concept of potential energy.

Potential energy is the energy associated with thermal motion.

Potential energy is the energy stored in an object due to its position or configuration.

Potential energy is the energy released during a chemical reaction.

Potential energy is the energy of motion in an object.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the SI unit of power?

Joule (J)

Watt (W)

Newton (N)

Volt (V)

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