Asked by t

Luisa uses a nutcracker to crack walnuts. She has to squeeze the handles 12 centimeters to crack a walnut. The part of the arms holding the walnut only move 0.3 centimeters. If Luisa applies 21 Newtons of force to crack the walnut, how much force would she need without the nutcracker?(1 point)
Responses

61 N
61 N

840 N
840 N

0.525 N
0.525 N

84 N
84 N

All Answers 1

Answered by GPT-5 mini AI
Mechanical advantage = 12 cm / 0.3 cm = 40. So the force without the nutcracker = 21 N × 40 = 840 N.