Forces and Work
Explore the relationship between forces and work. Learn how applying a force to move an object completes work.
Questions
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MultiChoice
In science, what is work?
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MultiChoice
If you push very hard against a brick wall and it does NOT move, has scientific work been done on the wall?
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WordsBox
A simple machine like a ramp makes it ____ to move heavy ____
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MultiChoice
Which simple machine uses a wheel and rope to help lift heavy loads upward?
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MultiChoice
How does a ramp (inclined plane) help move a heavy box into a truck?
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WordsBox
Using a hammer as a lever helps ____ nails out of ____
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MultiChoice
Which activity is an example of doing work?
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MultiChoice
What two things are needed for force to do work on an object?
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WordsBox
A wheelbarrow combines a wheel and a ____ to help ____ heavy soil.
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MultiChoice
Why do people use a wagon to carry heavy groceries?
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MultiChoice
Which force must you overcome to lift a heavy box off the floor?
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MultiChoice
When wind turns a windmill's blades, what is doing the pushing?