A) Effort
B) Load
C) Pulley
D) Fulcrum
Correct Answer: D
Solution :
A lever is a rigid rod arranged in such a manner that it can move freely around a fixed point. This fixed point is called fulcrum. The object on which work is to be performed is called load and the force that needs to be applied on the rod in order to perform a task is called effort.You need to login to perform this action.
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