The largest satellite system is managed by

• 116 countries A
• 126 countries B
• 136 countries C
• 140 countries D

The motion of a body moving along a circular path is called.

• Translational motion A
• Angular motion B
• Vibratory motion C
• Linear motion D

The angle between circumference of a circle and center is

• 
  A
• 
  B
• 
  C
• 
  D

Angular acceleration is produced by

• Power A
• Torque B
• Pressure C
• Force D

A man of 1 kg is freefalling. The force of gravity is

• 1 N A
• 9.8 N B
• 0.5 N C
• Zero D

Angular momentum has the same unit as

• Impulse x distance A
• Power x time B
• Linear x time C
• work x frequency D

Centripetal force perform

• Maximum work A
• Minimum work B
• Negative work C
• No work D

In case of planets centripetal force is provided by

• Coulomb's force A
• Electrostatic force B
• Gravitational force C
• Magnetic force D

• 
  A
• 
  B
• 
  C
• 
  D

If a rocket is accelerating upward with an acceleration of 2 g, an astronaut of weight, mg in the rocket shows apparent weight.

• Zero A
• Mg B
• 2 mg C
• 3 mg D

How many orbiting satellites from the Global positing system.

• 3 A
• 12 B
• 24 C
• 22 D

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

• Torque A
• Linear momentum B
• Angular momentum C
• Force D

Apparent weight of a man is in upward accelerated lift will

• Increases A
• Decreases B
• Remain same C
• Increases then decrees D

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

• Straight path A
• Circular path B
• Curved path C
• Along any path D

Satellites are the objects that orbit around the

• Moon A
• Sun B
• Earth C
• Star D

The direction of angular acceleration is

• Along the axis of rotation A
• Perpendicular to the axis of rotation B
• Opposite to axis of rotation C
• None of these D

The centripetal force is always directed

• Away from the centre along the radius A
• Along the direction of motion B
• Opposite to the motion of the body C
• Towards the centre along the radius D