Slope of velocity time graph is:
A. acceleration
B. distance
C. force
D. momentum
A body is moving with uniform velocity. Its:
A. speed changes
B. acceleration changes
C. direction of motion changes
D. displacement from origin changes
Time rate of change of momentum is equal to:
A. force
B. impulse
C. velocity
D. both A and C
At which angle the range of the projectile is maximum:
A. 45
B. 60
C. 30
D. none
Flight of a rocket in the space is an example of:
A. second law of motion
B. third law of motion
C. first law of motion
D. law of gravitation
Distance covered by a freely falling body in 2 seconds will be:
A. 4.9 m
B. 19.6 m
C. 39.2 m
D. 44.1 m
What is the angle of projection for which the range and maximum height become equal:
A. tan-1 ¼
B. tan-1 4
C. tan-1 ½
D. tan-1 2
Taking off rocket can be explained by:
A. 1st law of motion
B. 2nd law of motion
C. Law of conservation of momentum
D. law of conservation of energy
When a body moves in a straight line then its displacement coincides with:
A. distance
B. force
C. acceleration is zero
D. both A and B
Momentum depends upon:
A. force acts on the body
B. mass of the body
C. velocity of the body
D. both mass and velocity of the body
