Power Calculations
Authored by Charles Martinez
Physics
8th Grade
NGSS covered
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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A set of pulleys is used to lift a piano weighing 1,000 newtons. The piano lifted 3 meters in 60 seconds How much power is used?
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How much power is used if a force of 35 newtons is used to push a box a distance of 10 meters in 5 seconds?
Tags
NGSS.HS-PS3-2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the power of a kitchen blender if it can perform 3,750 joules of work in 15 seconds?
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How much work is done using a 500 watt microwave oven for 5 minutes? (must convert minutes to seconds first)
150,000 J
2500 J
Tags
NGSS.HS-PS3-1
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How much work is done using a 60 watt light bulb for 1 hour? (convert hours to seconds)
60 J
216,000 J
Tags
NGSS.HS-PS3-3
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