Question

12028You are using a rope to lift a 14.5 kg crate of fruit. Initially you are lifting the crate at 0.500 m/s. You then increase the tension in the rope to 160 N and lift the crate an additional 1.25 m. During this d motion, how much work is done on the crate by the tension force

Answer 1

Ans: 237.5J

Explanation;

WC= T*d

T* dcostheta. But theta=0

= 190* 1.25

= 237.5J

See attached file for diagram