Laws Of Motion Question 95
Question: A particle of mass m, initially at rest, is acted upon by a variable force F for a brief interval of time T. It begins to move with a velocity u after the force stops acting. F is shown in the graph as a function of time. The curve is a semicircle.
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: C
Solution:
Initially particle was at rest. By the application of force its momentum increases.
Final momentum of the particle
therefore
