Physics GK · all questions

Law of Motion
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Q121

If the velocity of a car increases from 5 meters per second to 10 meters per second in 5 seconds, then what is its acceleration?

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Q122

Two parallel train tracks run from North to South. On one track train A is moving with a speed 30 m/s from North to South. An the other track a train B is moving with speed 50 m/s from South to North. The relative velocity of train A with respect to train B is

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Q123

A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration of the particle is

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Q124

A particle moves with uniform acceleration along a straight line from rest. The percentage increase in displacement during 6^th compared to that in 5^th is about

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Q125

The slope of a distance-time graph shows . . . . . . . .

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Q126

If the distance S covered by a moving car in rectilinear motion with a speed v in time t is given by s = vt, then the car undergoes

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Q127

Which of the following statements is true for Newton's Third Law of Motion.

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Q128

The rate of change of displacement is called-

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Q129

The mechanical gain of lever is

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Q130

Nuclear force is

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Q131

When a running car stops suddenly, the passengers tends to lean forward because of

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Q132

A body of mass 4 kg accelerates from 15 m/s to 25 m/s in 5 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).

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Q133

When the cardboard placed on the glass tumbler is flicked away with a finger a coin placed on it fall in the glass.
Which law defines the above statement-

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Q134

Consider the following statements.
1. Centrifugal force is exerted by a cream separator machine of the milk.
2. A horse suddenly moves then it is a fear to fall down the horse rider because of inertia of rest.
3. The bodies executing free falling motion have equal momentum.
Which of the statement given above is correct?

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Q135

A force of 350 N is applied to a mass of 500 kg. In this case what will be the acceleration generated in the object?

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Q136

The Second Law of Motion states that

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Q137

Meaning of retardation is . . . . . . . . acceleration.

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Q138

In the equation of motion v = u + at, u represents . . . . . . . .

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Q139

An object of mass 150 kg is accelerated in 5 seconds with a velocity of 6 ms^-1 to 16 ms^-1. Find the acceleration.

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Q140

What is rate of change of position of an object with respect to a frame of reference, which is a function of time called?

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