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A ramp is used to push a piano up three stairs. The height that it is being pushed up is 2 feet and the length of the ramp is 8 feet. What is the mechanical advantage of the ramp
4
make the plane longer
it increases
A seesaw
2
move the fulcrum closer to the weight
Fishing Pole
Force out divided by force in
How can you increase the mechanical advantage of a plane?
4
make the plane longer
it increases
A seesaw
2
move the fulcrum closer to the weight
Fishing Pole
Force out divided by force in
What is the general formula for all simple machines and mechanical advantage?
4
make the plane longer
it increases
A seesaw
2
move the fulcrum closer to the weight
Fishing Pole
Force out divided by force in
Which of the following is an example of a first class lever?
4
make the plane longer
it increases
A seesaw
2
move the fulcrum closer to the weight
Fishing Pole
Force out divided by force in
A simple machine is used to lift a weight. What happens to the amount of distance the force is exerted over if a machine is used?
4
make the plane longer
it increases
A seesaw
2
move the fulcrum closer to the weight
Fishing Pole
Force out divided by force in
What is the mechanical advantage of a lever with an input arm of 100 cm and an output arm of 50 cm
4
make the plane longer
it increases
A seesaw
2
move the fulcrum closer to the weight
Fishing Pole
Force out divided by force in
Which one of the following simple machines is a third class lever?
4
make the plane longer
it increases
A seesaw
2
move the fulcrum closer to the weight
Fishing Pole
Force out divided by force in
How could you increase the mechanical advantage of a lever?
4
make the plane longer
it increases
A seesaw
2
move the fulcrum closer to the weight
Fishing Pole
Force out divided by force in
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