Thank you for visiting When a rifle is fired it recoils as the bullet is set in motion The rifle and bullet ideally acquire equal A But opposite amounts. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Final answer:
When a rifle is fired, the rifle and the bullet set in motion acquires equal and opposite amounts of momentum due to the law of conservation of momentum. However, they do not necessarily acquire equal amounts of kinetic energy. This depends on the respective masses and velocities.
Explanation:
When a rifle is fired, it recoils as the bullet is set in motion. According to Newton's third law, for every action, there is an equal and opposite reaction. This means that the force applied to the bullet propelling it forward and the recoil force on the rifle are equal. In terms of momentum, the rifle and bullet acquire equal but opposite amounts of momentum as momentum is always conserved in such transactions. This is an application of the law of conservation of momentum.
Kinetic energy, on the other hand, is not necessarily conserved in such scenarios. The transfer of kinetic energy depends on various factors like the mass and velocity of the bullet and the rifle. In the ideal case where external forces like friction and air resistance are ignored, the kinetic energy of the system (rifle + bullet) would be conserved. But this does not mean that the rifle and bullet acquire equal amounts of kinetic energy.
Therefore, in response to your question, the rifle and bullet ideally acquire equal but opposite amounts of momentum (Option A), but not necessarily equal amounts of kinetic energy.
Learn more about Momentum and Kinetic Energy here:
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