**Centripetal and Centrifugal Force in Hindi**. We covered all the Centripetal and Centrifugal Force in Hindi in this post for free so that you can practice well for the exam.

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## Mock Test on Centripetal and Centrifugal Force for Students

## If the fingers of the right hand are curled in the sense of motion of the particle performing circular motion then the outstretched thumb gives the direction of

(A) Angular velocity, Angular acceleration

(B) Tangential velocity

(C) Tangential acceleration

(D) Linear velocity

Option a - Angular velocity, Angular acceleration

## An important consequence of centrifugal force is that the earth is :

(A) Spheroid

(B) Sphere

(C) Oblate spheroid

(D) Circular

Option c - Oblate spheroid

## A body of mass 2 kg is tied to the free end of a string of length 1.5 m and revolved along a horizontal circle with the other end fixed. The body makes 300 rpm. The tension in the string is equal to

(A) 296.1 N

(B) 2.961 N

(C) 2961 N

(D) 300 N

Option c - 2961 N

## The passengers in a car are thrown outwards when the car negotiates a curve, but the cyclist bends inwards while negotiating the same curve. This happens because

(A) The car is heavier than the cycle

(B) the Cyclist counteracts the centrifugal force which throws the passengers in the car outwards

(C) The cycle has two wheels while the car has four wheels

(D) The cycle moves slower than the car

Option b - the Cyclist counteracts the centrifugal force which throws the passengers in the car outwards

## A motorcyclist rides around the well with a round vertical wall and does not fall down while riding because

(A) The force of gravity disappears

(B) The frictional force of the wall balances its weight

(C) He loses weight somehow

(D) The force exerted by the surrounding

Option b - The frictional force of the wall balances its weight

## The centrifugal force is called a pseudo-force because :

(A) It is in the accelerated frame of reference

(B) It is opposite to that of centripetal force

(C) It obeys Newton's law of motion

(D) Its effect is not observed

Option a - It is in the accelerated frame of reference

## A satellite of earth is revolving with uniform speed v. If gravitational force suddenly disappears, the satellite will :

(A) Continue to move with velocity v along the original orbit

(B) Move with velocity v tangential to orbit

(C) Fall down with increasing velocity

(D) Ultimately come to rest somewhere on the original orbit

Option b - Move with velocity v tangential to orbit

## Earth slightly bugles at the equator so the shape of the earth is an oblate spheroid. This is because at the equator :

(A) Gravitational force is maximum

(B) Angular velocity is maximum

(C) Centrifugal force is maximum

(D) Above statement is wrong

Option c - Centrifugal force is maximum

## A stone tied to a string is whirled then the string breaks at a certain speed because

(A) Gravitational force is maximum

(B) The required centripetal force is greater than the tension sustainable by the string

(C) the Required centripetal force is equal to the tension in the string

(D) Centripetal force is equal to the weight

Option b - The required centripetal force is greater than the tension sustainable by the string

## An airplane is taking a turn in a horizontal plane :

(A) It remains horizontal

(B) It inclines inward

(C) It inclines outward

(D) Its wings become vertical

Option b - It inclines inward

We covered all the centripetal and centrifugal force in Hindi above in this post for free so that you can practice well for the exam.

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