Question # 1

Direction of angular acceleration is always along

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x-axis

y -axis

z-axis

The axis of rotation

the height of the geostationary satellite above the equator is.

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35000 km

36000 km

34000 km

33000 km

The amount of inertia of 10 kg hoop about the axis of rotation perpendicular to its plane having radius 5 m is

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50 kgm2

100 K gm2

150 K gm2

250 K gm2

The relation between linear and angular velocity is

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Time rate of change of angular displacement is called

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Linear velocity

Angular velocity

Rotational velocity

Vibrational velocity

Moment of inertia is measure din

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Kg m2

Kg m-2

Rad s-1

Joule second

Time period of geostationary satellite of radius 'R' is

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1 hour

48 min

1 day

1 month

Close orbiting satellites orbit the earth at a height of about

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400 km

4000 km

400 m

400 cm

A man weight 1000 N in a stationary lift. If the lift moves up with an acceleration of 10 ms-2. then its weight becomes.

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1000 N

2000 N

3000 N

0 N

When a body moves in circular motion, the angle between linear and angular velocity is.

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180^o

90^o

60^o

75.3^o

The product of rotational inertial 'I' and angular velocity ' w' is equal to.

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Torque

Linear momentum

Angular momentum

Force

In rotational motion the analogous of mass is

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Angular acceleration

Torque

Moment of inertia

Angular momentum

The orbital angular momentum is associated with the motion of a body along

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Straight path

Circular path

Curved path

Along any path

The maximum velocity necessary to put a satellite into orbit is

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7.1 kms-1

7.3 kms-1

7.9 kms-1

8,9 kms-1

2 radian = ____

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2 m

4 m

57.3 m

114.6 m

When a particle is moving along a circular path its projection along the diameter executes

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Linear motion

Vibratory motion

Rotatory motion

SHM

The value of of 'g' at the centre of the earth is

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Infinite

2 g

3 g

zero

Which is unimportant in describing the satellites orbit.

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Distance of satellite from earth's center

Gravitational constant G

Mass of satellite

Mass of earth

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