A body of mass 2kg is suspended from the ceiling of a lift with a light inextensible string. lf the lift moves upwards with acceleration of 2ms-2, calculate the magnitude of the tension in the string (g = 1Oms-2)
A
24N
B
20N
C
16N
D
4N
E
0N
Verified Correct Answer: A.
Physical Principles & Numerical Solution
T - ma = mg
T = mg + ma = 2 x 10 + 2 x 2 = 24N
Source: Myschool Past Questions Archive (Record #25207)