What force has to be exerted on a mass 60kg to give it an acceleration of 10ms-2 vertically upwards?
[g = 10ms-2
- 300N
- 600N
-
1200N
- 400N
The correct answer is: C
Explanation
F = Ma + mg = 60 x 10 x 60 x 10 = 1200NThere is an explanation video available .