Question # 1

The moment of inertia depends upon

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Mass of the body and its radius

Mass of the body and its angular speed

Mass and angular momentum

Mass as well as the distribution w.r.t axis of rotation

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.

The SI unit of solid angle is

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Degree

Radian

Steradian

Candala

The relation between horse power and watt is.

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1 hp = 546 watts

1 hp = 746 watts

1 hp = 946 watts

1 hp = 1000 watts

A man in an elevator ascending with an acceleration will feel that his weight.

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Has increased

Has decreased

Remains the same

Vanishes

Which of the following is not essential for the free oscillations of a mass attached to a spring.

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Elasticity

Gravity

Inertia

Restoring force

For the angular momentum of a system to remains constant, the external torque should be

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small

Large

Neither small nor large

zero

In projectile motion, the body has

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One component of velocity

Two components of velocity

Three components of velocity

No component of velocity

The SI unit of angular momentum is.

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kg m-1 s

kg m2 s

kg m s-1

kg m2 s-1

when a bowl of water is take into the bottom of a well the work done is.

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Positive

Negative

Zero

Maximum

A force of 50 N acts on a body for 10 s the change in momentum will be.

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5 N s

200 Ns

500 Ns

800 N s

While passing through the atmosphere total energy is reduced due to.

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scattering

Absorption

Reflection

All of these

Distance covered by a freely failing body in 2 s will be.

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19.6 m

4.m

39.2 m

44.1 m

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

Simple harmonic motion is a type of

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rectilinear motion

Circular motion

Rotational motion

Zig Zag motion

if the line of action of force passes through the axis of rotation of origin, then torque is.

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Maximum

Negative

Zero

1

The curve between the acceleration and velocity of a body in SHM is a

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Circle

Ellipse

Square

Parabola

The fundamental quantities which form the base of the SI are.

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mass, energy and time

mass, force and time

mass, length and time

mass , length and time

Which of the following is conserved in SHM

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K.E.

P.E

Total energy

Electrical energy

Which of the following is a properly of a uniform gravitational field.

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If acts equally in all directions.

Its field strength is the same at all points with in it

the gravitational potential has the same value of all points with in it

It produces zero force on a stationary test mass placed in it.

Out of the following pairs, which one does not have te same dimensions.

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Force and weight

Pressure and stress

Energy and work

Momentum and torque

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