(a) State Newton's third law of motion and give two examples to illustrate the law.
(b) Explain why, when a fireman directs a powerful stream of water on a fire from a hose pipe, the hose pipe tends to go backward.

State Newton's third law of motion and explain giving an example .

State Newton's third law of motion and deduce it from the principle of conservation of linear momentum. Explain how walking is the result of reaction.

Comment on application of newton's third law of motion to gravitation. Illustrate by explain by example.

State Newton's first law of motion, Passengers are jerked forward when a moving bus stops suddenly. Explain why.

(a) State Lanz's law. Give one example to illustrate this law. "The Lenz's law is a consequence of the principle of conservation of energy." Justify this statement. (b) Deduce a expression for the mutual inductance of two long coaxial solenoids but having different radii and different number of turns.