A. acceleration
B. distance
C. force
D. momentum
0
Which law of motion is also called law of inertia ?
0
Newtons laws do not hold good for particles_______________?
A. 1st law
B. 2nd law
C. 3rd law
D. all 1st, 2nd and 3rd laws
0
2nd law of motion gives the definition of________________?
A. at rest
B. moving slowly
C. move with high velocity
D. move with velocity comparable to velocity of light
0
Momentum depends upon__________________?
A. force
B. acceleration
C. velocity
D. both force and acceleration
0
When a body moves in a straight line then its displacement coincides with__________________?
A. force acts on the body
B. mass of the body
C. velocity of the body
D. both mass and velocity of the body
0
Motorcycle safety helmet extends the time of collision hence decreasing the________________?
A. distance
B. force
C. acceleration is zero
D. both A and B
0
During long jump, athlete runs before taking the jump. By doing so he__________________?
A. chance of collision
B. force acting
C. velocity
D. impulse
0
When collision between the bodies in a system is inelastic in nature then for system ____________________?
A. provide him a larger inertia
B. decreases his inertia
C. decreases his momentum
D. increases his momentum
0
The acceleration in the rocket at any instant is proportional to the nth power of the velocity of the expelled gases. Where the value of n must be ?
A. momentum changes but K.E remain conserve
B. K.E changes but momentum remain conserve
C. both momentum and K.E changes
D. both momentum and K.E remain conserve
Download App