Explain the motion of a rocket with the help of Newton's third law.

State the usefulness of Newton's third law of motion.

State Newton's third law of motion.

Give qualitative definition of force on the basis of Newton's first law of motion.

Consider a book lying on a table. The weight of the book and the nromal force by the table on the book are equal in magnitude and opposite in direction. Is this an example of Newton's third law?

Consider a block suspended from a light string as shown in the digure. Which of the following pairs of forces constitute Newton's third law pair ?

In accordance with Newton’s third law of motion -

Which one of the following cannot be explained on the basis of Newton's third law of motion ?

Which of the following statement is not true regarding the Newton's third law of motion?

(A) : Newton's third law of motion is applicable only when bodies are in motion. (R) : Newton's third law is not applicable to all types of forces. Like gravitational, electric or magnetic forces etc.

In case of rocket propulsion, choose the correct options. a) momentum of rocket always remains constant. b) Newton's third law is applied. c) If exhaust velocity and rate of burning of mass is kept constant, then acceleration of rocket will go on increasing. d) If exhaust velocity and rate of burning of mass is kept constant, then thrust force will be constant.