Kinematics-Uniformly Accelerated Motion (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 11 - 14 of 23

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Question number: 11

» Kinematics » Uniformly Accelerated Motion

MCQ▾

Question

A force produces acceleration 1, ½, 1/3, ¼… (All in m/s2), applied separetly to n bodies. If these bodies are combined to form single one, then the acceleration of the system will be, if same force is taken into account.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 12

» Kinematics » Uniformly Accelerated Motion

Assertion-Reason▾

Assertion (Ꭺ)

In figure the ground is smooth and the masses of both the blocks are different. Net force acting on each of block is not same.

Reason (Ꭱ)

Acceleration of the both blocks will be different.

Net force acting on each of block

Net Force Acting on Each of Block

Finding force and acceleration on both blocks

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Ꭺ is false but Ꭱ is true

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question number: 13

» Kinematics » Uniformly Accelerated Motion

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 14

» Kinematics » Uniformly Accelerated Motion

MCQ▾

Question

A particle of mass m is moving in a horizontal circle of radius r, under a centripetal force equal to (-k/r 2), where k is a constant. The total energy of the particle is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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