Question

Impulsive force is large and acts for a short time. Finite change in momentum should be produced by the force.

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion
• C. If assertion is true but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (A)

If both assertion and reason are true and reason is the correct explanation of assertion

Answer 2

Impulse $=$ Force $\times$ time duration $=$ Change in momentum A large force acting for a short time to produce a finite change in momentum is called an impulsive force.