Systems of Particles and Rotational Motion Test

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Systems of Particles and Rotational Motion Test - 65

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Weekly Quiz Competition

Question 1
4 / -1

Assertion Moment of inertia of a particle is same, whatever be the axis of rotation.
Reason Moment of inertia depends on mass and distance of the particles.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If The Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 2
4 / -1

Assertion Inertia and moment of inertia are same quantities.
Reason Inertia represents the capacity of a body to oppose its state of motion or rest.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If The Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 3
4 / -1

Assertion If earth shrink (without change in mass) to half its present size, length of the day would become 6 hours.
Reason As size of the earth changes its moment of inertia changes.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If The Assertion and Reason both are false.

E
If Assertion is false but Reason is true.

Solution
Question 4
4 / -1

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If The Assertion and Reason both are false.

E
If Assertion is false but Reason is true.

Solution
Question 5
4 / -1

Assertion Radius of gyration of a body is a constant quantity.
Reason The radius of gyration of a body about an axis of rotation may be defined as the root mean square distance of the particle from the axis of rotation.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If The Assertion and Reason both are false.

E
If Assertion is false but Reason is true.

Solution
Question 6
4 / -1

Assertion A ladder is more apt to slip, when you are high up on it than when you just begin to climb.
Reason At the high up on a ladder, the torque is large and on climbing up the torque is small.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If The Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 7
4 / -1

Assertion Torque is equal to rate of change of angular momentum.
Reason Angular momentum depends on moment of inertia and angular velocity.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If The Assertion and Reason both are false.

E
If Assertion is false but Reason is true.

Solution
Question 8
4 / -1

Assertion The speed of whirlwind in a tornado is alarmingly high.
Reason If no external torque acts on a body, its angular velocity remains conserved.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If The Assertion and Reason both are false.

E
If Assertion is false but Reason is true.

Solution
Question 9
4 / -1

Assertion The velocity of a body at the bottom of an inclined plane of given height, is more when is slides down the plane, compared to, when it is rolling down the same plane.
Reason In rolling down, a body aquires both, kinetic energy of translation and rotation.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If The Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 10
4 / -1

Assertion In rolling, all points of a rigid body have the same linear speed.
Reason The rotational motion does not affect the linear velocity of rigid body.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If The Assertion and Reason both are false.

E
If Assertion is false but Reason is true.

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Re-Attempt Weekly Quiz Competition

Systems of Particles and Rotational Motion Test - 65

Result

Systems of Particles and Rotational Motion Test - 65

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Rank

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SHARING IS CARING

Question 1

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If The Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 2

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If The Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 3

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If The Assertion and Reason both are false.

If Assertion is false but Reason is true.

Solution

Question 4

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If The Assertion and Reason both are false.

If Assertion is false but Reason is true.

Solution

Question 5

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If The Assertion and Reason both are false.

If Assertion is false but Reason is true.

Solution

Question 6

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If The Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 7

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If The Assertion and Reason both are false.

If Assertion is false but Reason is true.

Solution

Question 8

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If The Assertion and Reason both are false.

If Assertion is false but Reason is true.

Solution

Question 9

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If The Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 10

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If The Assertion and Reason both are false.

If Assertion is false but Reason is true.

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