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161.

Tension in the cable supporting a lift is more when the lift is moving

upwards

downwards

162.

If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is

A.	g / 2	B.	g / 3
C.	g / 4	D.	none of these

163.

Which of the fololowing statement is correct in connection with projectiles?

A.	A path, traced by a projectile in the space, is known as trajectory.	B.	The velocity with which a projectile is projected, is known as the velocity of projection.
C.	The angle, with the horizontal, at which a projectile is projected is known as angle of projection.	D.	all of the above

164.

The total time taken by a projectile to reach maximum height and to return back to the ground, is known as time of flight.

Yes

165.

The path of the projectile is a parabola.

True

False

166.

The distance, between the point of projection and the point where the projectile strikes the ground, is known as range.

Correct

Incorrect

167.

The range of a projectile is maximum, when the angle of projection is

A.	30?	B.	45?
C.	60?	D.	90?

168.

The time of flight of a projectile on downward inclined plane depends upon

A.	angle of projection	B.	angle of inclination of the plane
C.	both (a) and (b)	D.	none of these

169.

The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (?) is

A.	? / 2	B.	30? + ?/2
C.	45? + ?/2	D.	60? + ?/2

170.

The range of projectile on a downward inclined plane is

A.	less than	B.	more than
C.	equal to