1.

A body of mass 4 kg weighs 4.8 kg when suspended in a moving lift. The acceleration of the lift is

Answer»

Apparent weight W1
= 4.8 kg wt
= 4.8g N
When lift moves upwards,
4.8 g = 4 (g + a)
1.2g = g + a
a = 0.2 g = 0.2 × 9.8
=1.96ms−2
When lift moves with 1.96 m  s−2 upwards



Discussion

No Comment Found

Related InterviewSolutions