engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Physics Motion in a Straight Line Acceleration
If a lift is moving with constant acceleration 'a' in the upward direction, then the force applied by mass m on the floor of the lift will be :
1
ma
2
m(g-a)
3
m(g+a)
4
mg