Laws of Motion-Laws of Friction (NEET Physics): Questions 32 - 33 of 33

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Question number: 32

» Laws of Motion » Laws of Friction

MCQ▾

Question

A body of mass 400 g slides on a rough horizontal surface. If the frictional force is 3.0 N, the magnitude of the contact force is (g = 10 m/s 2)

Choices

Choice (4) Response
a.

5.0 N

b.

3.0 N

c.

4.0 N

d.

7.0 N

Question number: 33

» Laws of Motion » Laws of Friction

MCQ▾

Question

A block of metal is lying on the floor of a bus. The maximum acceleration which can be given to the bus so that the block may remain at rest, will be –

Choices

Choice (4) Response
a.

μ/g

b.

μ 2 g

c.

μg

d.

μg 2

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