Laws of Motion (BITSAT Physics): Questions 9 - 12 of 12

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Question number: 9

» Laws of Motion » Newton's Law » Newton's Third Law of Motion

MCQ▾

Question

Swimming is possible by the –

Choices

Choice (4) Response

a.

Newton’s law of gravitation

b.

Third law of motion

c.

Second law of motion

d.

First law of motion

Question number: 10

» Laws of Motion » Impulse

MCQ▾

Question

A ball of mass 150gm moving with acceleration 20ms2 is bit by a force, which acts on it for 0.1sec . The impulsive force is

Choices

Choice (4) Response

a.

0.3Ns

b.

1.2Ns

c.

0.1Ns

d.

0.5Ns

Question number: 11

» Laws of Motion » Static and Kinetic Friction

MCQ▾

Question

A rough vertical board has acceleration along the horizontal so that a block of mass M pressing against it does not fall. The coefficient of friction between block and the board is

A rough vertical board and a block

A Rough Vertical Board and a Block

In figure a rough vertical board has accelerate along the horizontal so that a block of mass M pressing against it does not fall.

Choices

Choice (4) Response

a.

<ga

b.

=ag

c.

>ag

d.

>ga

Question number: 12

» Laws of Motion » Law of Conservation of Linear Momentum

MCQ▾

Question

A 30gm bullet initially travelling at 120ms penetrates 12cm into wooden block. The average resistance exerted by the wooden block is –

Choices

Choice (4) Response

a.

1800N

b.

2850N

c.

2000N

d.

2200N

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