Q

A boy raises a box of weight 120 N through a height of 2 m. Find the work done.

RRB ALP & Technician 30/08/2018 / Shift-I 2018
✓ Answer: C 240 J
W = weight × height = 120 × 2 = 240 J.
← Previous Question Next Question →

📚 Related Questions — Mechanics

1 A worker performs a task. Which of the following statements about power… 2 A machine has MA = 4 and efficiency = 80%. Its velocity… 3 A velocity-time graph for a car moving with uniform velocity starts at… 4 Which quantity is the ratio of distance moved by effort to distance… 5 A 2 kg ball moving at 5 m/s collides with a stationary… 6 Which of the following does NOT possess potential energy (with respect to…