Tag: force and newton's laws of motion
Questions Related to force and newton's laws of motion
To reduce the momentum of a given body to half its original value, its velocity must be ___________.
The momentum of a massive object at rest is
A parachutist with total weight $75kg$ drops vertically onto a sandy ground with a speed of $2m{ s }^{ -1 }$ and comes to a halt over a distance of $0.25m$. The average force from the ground on her is close to
Which of the following statements is/are correct for internal forces?
Momentum is a measure of:
Momentum has the same units as that of:
A football player kicks a $0.25kg$ ball and imparts it a velocity of $10m/s$. The contact between foot and the ball is only $\cfrac{1}{50}$th of a second. The kicking force is
A bullet of mass $40\ g$ is fired from a gun of mass $10\ kg$. If velocity of bullet is $400\ m/s$, then the recoil velocity of the gun will be