Question

(C) 2.5 m (D) 3 m
Three boxes are placed in a lift. When
acceleration of the lift is 4 m/s, the net force
on the 8 kg box is closest to
cote
om
spee
5 kg
oor
2 kg
8 kg
(A) 80 N (B) 48 N (C) 40 N (D) 32 N​

Answer 1

Answer:

option D

Explanation:

As the lift is moving with an acceleration 4m/s^2

acceleration of the box will also be 4 m/s^2.

therefore, force on the box:

F=ma

= 8×4

= 32N

hope this helps..!