Question

a man can crack a nut by applying a force of 150 N on a lever of length 0.5, what should be the length a lover if he wants to apply force of 80 N

Answer 1

Answer:

Effort arm = ?

Effort = 75N

Load = 100N

Load arm = 0.5m = 50cm

Effort × Effort arm = Load × Load arm

Effort arm = Load arm × Load

Effort

Substituting all the values we get:

Effort arm = 100 × 50

75