Work, Energy and Power Questions
Authored by Sara Hassan
Physics
8th Grade
Used 1+ times
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16 questions
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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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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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