A body whose momentum is constant

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Sign in Open App. How much force acts on body whose momentum is constant i. Verified Answer. Force is the rate of change of momentum. So, momentum is constant when force is zero. Most Upvoted Answer.

A body whose momentum is constant

If no force acts on a body, it will. What is the time for which the force acts on th body? The period for which the force acts on the body is. What is the time for which the force acts on the body? If force acts on a body, whose line of action does not pass through its centre of gravity, then the body will experience. An unbalanced force acts on a body. The body. A man is standing on a boat in still water. If he walks towards the sh A bullet is fired horizontally and gets embedded in a block kept on a

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So far, we have looked at the angular momentum of systems consisting of point particles and rigid bodies. We have also analyzed the torques involved, using the expression that relates the external net torque to the change in angular momentum. In this case, we can introduce the law of conservation of angular momentum. The angular momentum of a system of particles around a point in a fixed inertial reference frame is conserved if there is no net external torque around that point:. Any of the individual angular momenta can change as long as their sum remains constant. This law is analogous to linear momentum being conserved when the external force on a system is zero.

A body whose momentum is constant

According to this law, a body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on by a net external force. Sir Isaac Newton was an English scientist who was interested in the motion of objects under various conditions. In , he published a work called Philosophiae Naturalis Principla Mathematica , which described his three laws of motion. Newton used these laws to explain and explore the motion of physical objects and systems. These laws form the basis for mechanics. The laws describe the relationship between forces acting on a body and the motions experienced due to these forces. The three laws are as follows:.

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