Work, Energy and Power Questions

Work, Energy and Power Questions

8th Grade

16 Qs

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Work, Energy and Power Questions

Work, Energy and Power Questions

Assessment

Quiz

Physics

8th Grade

Practice Problem

Easy

Created by

Sara Hassan

Used 1+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An electric kettle is connected to the 230 V mains supply. The power of the kettle is 960 W. A power of 960 watts is the same as

960 joules per coulomb

960 joules per second

960 newtons per metre

960 newtons per second

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a book from a low shelf is placed on a higher shelf, the book gains

gravitational potential energy

mass

weight

work

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which unit is the same as a power of 1 watt?

1 joule per coulomb (1 J/C)

1 joule per second (1 J/s)

1 newton per square metre (1 N/m)

1 newton per kilogram (1 N/kg)

4.

OPEN ENDED QUESTION

3 mins • 1 pt

State the equation linking work done, force and distance moved.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

State the equation linking power, energy transferred and time.

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OFF

6.

OPEN ENDED QUESTION

3 mins • 1 pt

State the equation linking kinetic energy (KE), mass and velocity.

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OFF

7.

OPEN ENDED QUESTION

3 mins • 1 pt

State the relationship between work done, force and distance moved.

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OFF

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