Pendulum String Breaking Point · PhysicsBowl 2023 #27
Physics · mechanics
Problem
A pendulum has a length of 2.00 m and has a mass attached to its end. The mass is pulled back 60.0° from the vertical before being released and allowed to swing downward. If the string breaks under a tension of more than 20 N, what is the maximum amount of mass that can be attached to string to allow the mass to swing without breaking the string?
a. 0.8 kg
b. 1.0 kg
c. 1.2 kg
d. 1.4 kg
e. 1.6 kg