In which of the following cases forces must not be required to keep the-
Text Solution
Verified by ExpertsThe correct answer is:
C
We know that force is the rate of change of momentum,
where
If the rate of change of momentum is zero or constant, the net force acting on the body will be zero.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The linear momentum P of a body varies with time and is given by the equation P = x + yt 2 where x …
The average force necessary to stop a hammer having momentum 25 N-s in 0.05 second is-
Two masses of 5 kg and 10 kg are connected to a pulley as shown. What will be the acceleration if t…
Two bodies of 5 kg and 4 kg are tied to a string as shown in the fig. If the table and pulley both …
The mass of ship is 2 × 107 kg. On applying a force of 25 × 105 N, it is displaced through 25m. Aft…
A cricket ball of mass 250 g collides with a bat with velocity and returns with the same velocity …