Q.1.

The rotational velocity of a satellite is increased bym per second if its launch is done from equator

Q.2.

Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of

Q.3.

If a particle moves with a uniform angular velocity ω radians/sec along the circumference of a circle of radius r, the equation for the velocity of the particle, is

Q.4.

For a simple pendulum, the period of one oscillation is

Q.5.

For a simple pendulum, the period of one oscillation is

Q.6.

A point subjected to a number of forces will be in equilibrium, if

Q.7.

The centre of gravity of a plane lamina will not be at its geometrical centre if it is a

Q.8.

When a body moves round a fixed axis, it has

Q.9.

A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height ofm, is

Q.10.

ω rad/sec is the angular velocity of a crank whose radius is r. If it makes θ° with inner dead centre and obliquity of the connecting rod l is φ, the velocity v of the piston, is given by the equation

Q.11.

A load ofkg was lifted through a distance ofcm. by an effort ofkg which moved through a distance ofcm. The velocity ratio of the lifting machine is

Q.12.

On a mass m describing a circular path of radius r, the centrifugal force

Q.13.

The angle of friction is :

Q.14.

When a body moves round a fixed axis, it has

Q.15.

A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height ofm, is

Q.16.

The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are :

Q.17.

Pick up the correct statement from the following. The kinetic energy of a body

Q.18.

A retarding force on a body does not

Q.19.

The unit of force in C.G.S. system of units, is called

Q.20.

A block of weightkg is placed on a horizontal plane. When a horizontal force ofkg is applied, the block is just on the point of motion. The angle of friction is

Q.21.

From a circular plate of a diameter 6 cm is cut out a circle whose diameter is equal to the radius of the plate. The C.G. of the remainder from the centre of circular plate is at a distance of

Q.22.

The force which produces an acceleration of 1 m/sec2 in a mass of one kg, is called

Q.23.

The centre of gravity of a homogenous body is the point at which the whole

Q.24.

Centre of gravity of a thin hollow cone lies on the axis of symmmetry at a height of

Q.25.

Centre of gravity of a thin hollow cone lies on the axis of symmmetry at a height of

Q.26.

A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be

Q.27.

Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for

Q.28.

The product of mass and velocity of a moving a body, is called

Q.29.

The product of mass and velocity of a moving a body, is called

Q.30.

A projectile is thrown at an angle a to the horizontal with α velocity v. It will have the maximum centripetal acceleration