Momentum

In fireworks the momentum provided by chemicals is directed 

A. upwards 

B. left side 

C. right side 

D. downwards

In a perfectly elastic collision, momentum and energy are 

A. not conserved 

B. conserved 

C. becomes zero after collision 

D. equal before collision

Resultant force acting on object and rate of change of linear momentum are 

A. inversely related 

B. not related at all 

C. directly related 

D. directly proportional

In a springy collision, if the fast moving trolley collides with a slow one, then the fast one will bounce back at speed of 

A. slow one 

B. less than slow one 

C. more than slow one 

D. with the same speed as before

To replace a ball with another ball by collision, a snooker player must consider the condition that 

A. the collision must be head on 

B. The moving ball must not be given any spin 

C. both A and B 

D. no conditions required

Force exerted by bat on ball if it strikes a ball of mass 0.16 kg initially hits bat with speed of 25 m s^-1 with time impact of 0.003 s is 

A. 145 N 

B. 1333.33 N 

C. 1456.7 N 

D. 6543 N

What is the momentum

Momentum possessed by spinning objects is called 

A. linear momentum 

B. angular momentum 

C. normal momentum 

D. degrees’ momentum

If the total kinetic energy and momentum of a system becomes zero after collision, then the collision is 

A. elastic 

B. inelastic 

C. conserved 

D. not conserved

Interaction that causes an object’s momentum to change is 

A. velocity 

B. acceleration 

C. power 

D. force