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A large rock and a long, thick board could be used to construct which simple machine?
The effort force is not enough to overcome the wheelbarrow weight
decreasing the amount of work that is done
It makes work easier.
less effort force but had to move a greater distance
change force or distance
use less energy
lever
Force applied
Which of the following best describes why a person may not be able to lift up a full wheelbarrow by its handles?
The effort force is not enough to overcome the wheelbarrow weight
decreasing the amount of work that is done
It makes work easier.
less effort force but had to move a greater distance
change force or distance
use less energy
lever
Force applied
What is the purpose of simple machines?
The effort force is not enough to overcome the wheelbarrow weight
decreasing the amount of work that is done
It makes work easier.
less effort force but had to move a greater distance
change force or distance
use less energy
lever
Force applied
The handle of a nail clipper works as a lever. How does the lever help you?
The effort force is not enough to overcome the wheelbarrow weight
decreasing the amount of work that is done
It makes work easier.
less effort force but had to move a greater distance
change force or distance
use less energy
lever
Force applied
Using an inclined plane to do the work of moving the wheelbarrow load up to the next level, rather that lifting the wheelbarrow straight up, Sally was able to use
The effort force is not enough to overcome the wheelbarrow weight
decreasing the amount of work that is done
It makes work easier.
less effort force but had to move a greater distance
change force or distance
use less energy
lever
Force applied
All of the following are ways that simple machines make work easier EXCEPT
The effort force is not enough to overcome the wheelbarrow weight
decreasing the amount of work that is done
It makes work easier.
less effort force but had to move a greater distance
change force or distance
use less energy
lever
Force applied
Some people use a bottle opener when opening a bottled drink because they
The effort force is not enough to overcome the wheelbarrow weight
decreasing the amount of work that is done
It makes work easier.
less effort force but had to move a greater distance
change force or distance
use less energy
lever
Force applied
Matt uses a ramp to get a box up into his tree house. For th work that he did, what did the ramp decrease?
The effort force is not enough to overcome the wheelbarrow weight
decreasing the amount of work that is done
It makes work easier.
less effort force but had to move a greater distance
change force or distance
use less energy
lever
Force applied
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