Question

A 50 kg box hangs from a rope. what is the tension in the rope if
a. the box is at rest?
b. the box has vy = 5.0 mis and is speeding up at 5.0 m/s2?

Answer 1

Part a is simply mass*gravity. Tension=ma

Part b Tension= 50kg(10m/s+5.0m/s) = 750N