Question

Two blocks each of mass $20\text{kg}$ are connected by an ideal string and this system is kept on rough horizontal surface as shown. Initially the string is just tight then a horizontal force $F=120\text{N}$ is applied on one block as shown.

If friction coefficient at every contact is $\mu =0.5$ then which of the following represents the correct free body diagram.

• A.
• B.
• C.
• D. All of the above

Answer 1

The correct option is B