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What is the fixed point on a lever called?
Fulcrum
In which direction is the load moved in a second-class lever?
In the same direction as the effort
What is the mechanical advantage of a lever calculated by?
Dividing the load arm by the effort arm
What is the lever in a system used to transfer?
Force
What is the name of the simple machine that is part of a wheelbarrow along with a lever?
Wheel and axle
What is the lever used by a human arm to lift a weight classified as?
Third-class lever
What is the ratio of the effort force to the total force exerted on the load by the lever called?
Mechanical advantage
What is the name of the Greek philosopher who formulated the principle of the lever?
Archimedes
What is the point on a lever where the effort is applied called?
Fulcrum
What type of lever is a crowbar classified as?
First-class lever
