What force has to be exerted on a mass 60kg to give it an acceleration of 10ms-2 vertically upwards?
[g = 10ms-2
A
300N
B
600N
C
1200N
D
400N
Verified Correct Answer: C.
Physical Principles & Numerical Solution
F = Ma + mg = 60 x 10 x 60 x 10 = 1200N
Source: Myschool Past Questions Archive (Record #44696)