Newtons laws do not hold good for particles_______________?
A. at rest
B. moving slowly
C. move with high velocity
D. move with velocity comparable to velocity of light
Physics MCQs with Answers
2nd law of motion gives the definition of________________?
A. force
B. acceleration
C. velocity
D. both force and acceleration
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
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
Motorcycle safety helmet extends the time of collision hence decreasing the________________?
A. chance of collision
B. force acting
C. velocity
D. impulse
During long jump, athlete runs before taking the jump. By doing so he__________________?
A. provide him a larger inertia
B. decreases his inertia
C. decreases his momentum
D. increases his momentum
When collision between the bodies in a system is inelastic in nature then for system ____________________?
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
Which of the following is not an example of projectile motion ?
A. a gas filled ballon
B. bullet fired from gun
C. a football kicked
D. a base ball shot
When two bodies move toward each other with constant speeds the distance between them decreases at the rate of 6m / sec. If they move in the same direction the distance between them increases at the rate of 4m/sec. Then their speeds are________________?
A. 5m/s, 1m/s
B. 3m/s, 3m/s
C. 6m/s, 1m/s
D. 4m/s, 2m/s
