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 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
$4w$
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- [KVPY 2011]
Write condition of translational equilibrium of particle.
Write condition of translational equilibrium of particle.
When body is at rest or it is in uniform motion, no force act on it.
When body is at rest or it is in uniform motion, no force act on it.