Question # 1

Two simple pendulums of the same length but having different masses

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Have different frequencies

Will have period proportional to their masses

Will have periods independent of their length

Have the same period

Express the quantity 225 x 10^-6 s using prefixes.

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0.225 micro second

2.25 micro second

225 micro second

2,25 neno second

Restoring force in the SHM is

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Centripetal

Frictional

Conservative

Non conservative

The moment of linear momentum is called.

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Torque

Couple

Impulse

Angular momentum

Which of the following pair of physical quantities have the same dimension.

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Momentum and pressure

Energy and work

Linear and angular momentum

Force and surface tenstion

In planetary motion

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Angular speed remains constant

Angular momentum remains constant

Linear speed remains constant

Linear momentum remains constant

When a force is applied on a body several effects are possible which of the following effect could not occur.

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The body speeds up

The body changes direction

The pressure on the body increases

The mass of the body decreases

The rate of change of angular momentum of a body is equal to.

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Applied force

Moment of inertial

Applied torque

Impulsive force

The angular frequency time period and frequency of a simple pendulum depends only on the.

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Mass and amplitude

Mass and gravitational acceleration

Amplitude and frequency

Length and gravitational acceleration.

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PPSC Physics Chapter 1 MECHANICS MCQs With Answers

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