Moderate

Which of the following graphs best represents graphical relation between momentum p and kinetic energy K for a body in motion?

Correct answer: D. Option D

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Explanation

The product of a particle's mass and velocity is its momentum. The temporal rate of change of momentum is proportional to the force applied on the particle, according to Isaac Newton's second law of motion. p=mv where, m is the mass of the body, v is the velocity of the body. The type of energy that an item or particle has as a result of its movement is known as kinetic energy. When an object is subjected to a net force, it accelerates and gains kinetic energy as a result. Kinetic energy is a property of a moving object or particle defined by both its mass and its velocity. K=1/2mv2 Therefore, K=p2/2m As a result, the graph between P and K will be a parabola, and if k is on the x axis, the parabola will be concave towards the positive x-axis side. Hence, option D) is the correct option.

Last updated

About Work and Energy

Work transfers energy when a force causes displacement, while kinetic energy, gravitational potential energy and power describe motion, position and the rate of energy transfer. The work-energy theorem links net work with change in kinetic energy, and efficiency accounts for energy losses rather than treating them as energy destruction.

Practise Work and Energy

748 free Work and Energy MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Physics questions like this

Physics is on 13 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions