Kinematics-Uniformly Accelerated Motion (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 16 - 20 of 23

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Question number: 16

» Kinematics » Uniformly Accelerated Motion

MCQ▾

Question

Three equal weights of mass m each are hanging on a string passing over a fixed pulley as shown in fig. The tensions in the string connecting weights A to B and B to C will respectively be -

Three equal weights of mass m each are hanging on a string

Three Equal Weights of Mass M Each Are Hanging on a String

Pulley with 3 weights on the string

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 17

» Kinematics » Uniformly Accelerated Motion

MCQ▾

Question

A force produces an acceleration of 10 m/s 2 in a body and same force an acceleration of 25 m/s 2 in another body. The acceleration produced by the same force when applied to the combination of two bodies will be –

Choices

Choice (4) Response

a.

20 m/s 2

b.

3.75 m/s 2

c.

0.667 m/s 2

d.

7.142 m/s 2

Question number: 18

» Kinematics » Uniformly Accelerated Motion

MCQ▾

Question

Consider the double Atwood’s machine as shown in the figure. What is acceleration of the masses?

 Double atwood machine

Double Atwood Machine

Mass acting on double atwood machine

Choices

Choice (4) Response

a.

g/3

b.

g/4

c.

g

d.

g/2

Question number: 19

» Kinematics » Uniformly Accelerated Motion

MCQ▾

Question

Two blocks of masses 5 kg and 3 kg connected by a rope of mass 2 kg are resting on frictionless floor. If a constant force of 40 N is applied to 6 kg block, tension in the rope at A, B, and C will respectively be –

Choices

Choice (4) Response

a.

30N, 25N, 20N

b.

28N, 24N, 20N

c.

25N, 30N, 20N

d.

30N, 20N, 25N

Question number: 20

» Kinematics » Uniformly Accelerated Motion

MCQ▾

Question

An automobile of mass m accelerates from rest. If the engine supplies a constant power P, the position (s) at time (t) is given by –

Choices

Choice (4) Response

a.

b.

c.

d.

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