Forces and Laws...

Match the following with correct response. 

(1) Cause of acceleration 

(2) Quantitative measure of inertia 

(3) powder applied on carom board

(4) Tyres of vehicles made Rough 
 

(A) Mass 

(B) Increases friction 

(C) Decreases friction 

(D) Force

Match the following with correct response. 

(1) Cart pulled by a horse 

(2) Backward jerk 

(3) Sole of shoe worn out 

(4) Recoiling of gun 
 

(A) Friction 

(B) Newton’s III law of motion 

(C) Law of conservation of momentum 

(D) Law of inertia

Identify the incorrect statement.

How much force acts on body whose momentum is constant (i.e. = constant)?

Statement A: Gravitational force is the weakest force in nature 

Statement B: Electrostatic force is the example of non – contact force

Which of the above two statement is true?

Ayush hits a cricket ball which than rolls of a level ground after covering a short distance, the ball comes to rest. The ball slows to a stop because

Match the following with correct response. 

(1) Action and reaction 

(2) Magnitude of force 

(3) Momentum 

(4) Resultant of balanced force 
 

(A) No acceleration 

(B) Newton’s second law 

(C) Act on different objects 

(D) Scalar quantity

How much force acts on body whose momentum is constant (i.e. = constant)?

10⁵ dyne is equal to

A force has