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Two masses A and B of 10 kg and 5 kg res...

Two masses A and B of 10 kg and 5 kg respectively are connected with a string passing over a frictionless pulley fixed at the corner of a table as shown in Fig. 15.4.1. The co-efficient of friction of A with the table is 0.2 The minimum mass of C that may by placed on A to prevent it from moving is equal to

A

1 5 kg

B

10 kg

C

4 kg

D

0 kg

Text Solution

Verified by Experts

The correct Answer is:
a

`mu ( 10+ m)g` = Tension = 5 g, m = 15 kg
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