Question

2. 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 = 10 ms?)
1) 45 kg 2) 60 kg 3) 75 kg 4) 80 kg​

Answer 1

Answer:60kg

Explanation:here,ma+mg=900..............,...........1

mg-ma=300............2

Add 1 and 2

2mg= 1200

mg=600

m=60