Question
Question: .The block A and B are arranged as shown in the figure. The pulley is frictionless. The mass of A is...
.The block A and B are arranged as shown in the figure. The pulley is frictionless. The mass of A is 10 kg. The coefficient of friction of A with the horizontal surface is 0.20. The minimum mass of B to start the motion will be –
A
2 kg
B
0.2 kg
C
5 kg
D
10 kg
Answer
2 kg
Explanation
Solution
mMAg = MBg ̃ MB = mMA
= . 2 × 10 = 2 kg