Question

A parachutist of weight ‘w’ strikes the ground with his legs fixed and comes to rest with an upward acceleration of magnitude 3 g. Force exerted on him by ground during landing is

• A. w
• B. 2w
• C. 3w
• D. 4w

Answer 1

Answer: (D)

4w

Answer 2

Resultant force is $w + 3w = 4w$