Question

A block of mass 2 kg is placed on the floor (04). A horizontal force of 7 N is applied on the block. The
force of friction between the block and floor is
7N
5N
8N​

Answer 1

Explanation:

Correct option is

B

7 N

Limitng friction =μN=0.4×2×10=8N

As applied force is less than limiting friction so

Force of friction on block=Applied external force=7N

Answer 2

Explanation:

Limitng friction =μN=0.4×2×10=8N

As applied force is less than limiting friction so

Force of friction on block=Applied external force=7N

so, the ans is 7N

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