The apparent weight of man inside a lift moving up with certain acceleration is 900N. When the lift is coming down with the same acceleration apparent weight is found to be 300N. The mass of the man is (g=10ms−2)

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

45 kg

60 kg

75 kg

80 kg

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

T-mg=ma 900-mg=ma---(1) mg-T=ma mg-300=ma----(2) from (1) & (2) we get 2mg=1200 mg=600 m=60kg

Watch 3-min video & get full concept clarity