Question

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

Answer 1

Without the nutcracker, Luisa would need to apply approximately 70 Newtons of force to crack the walnut.