Momentum and Impulse MCQs for Competitive Exams

MCQS

Momentum and Impulse MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

149 MCQs Page 14

Topic Notes: Momentum and Impulse

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Momentum and Impulse MCQs in Physics are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

Attempt the questions page by page, check the correct answers, read the explanations where available, and compare your weak areas with past papers and mock test performance. Consistent MCQ practice improves speed, confidence, and retention for objective exam sections.

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131
A body of mass m1 moving with uniform velocity 40 m s^-1 collides with another body of mass m2 at rest and then both move together with velocity 30 m s^-1. The ratio m1/m2 is:
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132
A body of mass 5 kg at rest explodes into three fragments with masses in the ratio 1 : 1 : 3. The fragments with equal masses fly in mutually perpendicular directions with speeds of 21 ms^-1. The velocity of the heaviest fragment will be
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133
A solid sphere is moving and it makes an elastic collision with a stationary sphere of half its radius. After collision it comes to rest. The ratio of the densities of the material of second to that of first is:
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134
186. Two identical particles move towards each other with velocities 2v and v respectively. The velocity of centre of mass is
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135
The largest momentum as compared to the earth is ...
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136
When a bullet is fired from a rifle, the total momentum of the system after firing is:
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137
When an unbalanced external force acts on a body for a short interval of time
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138
The linear momentum P of a particle varies with time as follows P = a + b t, where a and b are constants. The net force acting on the particle is
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139
A liquid is flowing out of a horizontal tube with velocity v. The reaction force exerted by the liquid on the tube is proportional to
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140
A body of mass 5 kg strikes another body of mass 2.5 kg initially at rest. The bodies after collision coalesce and begin to move as a whole with a kinetic energy of 5 J. The kinetic energy of the first body before collision is
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