Question

What can you say about the effort force needed to lift an object using an ideal lever with a force advantage greater than 1?

Select one:
a. The effort force is the same as the lifting force.
b. The effort force is less than the lifting force.
c. The effort force is greater than the lifting force.
d. You have to use the formula to calculate the effort force.

Answer 1

When the effort force needed to lift an object using an ideal lever with a force advantage greater than 1,  The effort force is less than the lifting force. The correct option is b.

What is force advantage?

Force is the mechanical physical quantity. The force advantage is equivalent to the mechanical advantage equal to the ratio of output to the input force.

The force advantage is

F.A = lifting force / effort force

When the effort force is greater, FA is less than 1. When FA is greater than 1, definitely, the effort force is less.

Thus, the effort force is less than the lifting force. The correct option is b.

Learn more about force advantage.

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