Question

Hammer of mass 300 g, moving at 40m/s, strikes a nail. the nail stops the hammer in a very short time of 0.02 s. the force of the nail on the hammer is
1. 600n 2. 1200n 3. 2000n 4. 2500n

Answer 1

Answer:1

Explanation:u=0 and v=40m/s

a =40/0.02=2000m/s^2

F=0.3*2000=600N

Answer 2

Answer:

600 n is the correct answer

Thank you.....