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Momentum and Impulse MCQs for Competitive Exams

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Momentum and Impulse MCQs for Competitive Exams

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

149 MCQs Page 6

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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51
A ball moving with a velocity of 5 m/s impinges on a fixed plane at an angle of 45°. Assume that its direction after impact is equally inclined to the line of impact. If coefficient of restitution is 0.5, the velocity of ball after impact will be
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52
A moving mass 8 kg collides elastically with a stationary mass of 2 kg. If E be the initial K.E. of the moving mass, the kinetic energy left with it after the collision will be
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53
Suppose water comes out of a pipe at the rate of 3 kg per second and its velocity changes from 5 m/sec to zero on striking the wall perpendicularly. The force exerted on the wall is:
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54
199 The term radius of gyration relates to
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55
If a body whose mass is much less than a body at rest collides with it elastically, then it bounces back with:
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56
261 A body is termed as perfectly elastic, if
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57
If a force of 12 N acts on a car and changes its momentum from 36 kg·m/s to 60 kg·m/s, the time during which this change occurs will be
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58
A particle of mass m = 5 is moving with a uniform speed v = 3√2 in the xy plane along the line y = x + 4. The magnitude of the angular momentum of the particle about the origin is
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59
A bomb of mass 12 kg explodes into two pieces of masses 4 kg and 8 kg. The velocity of mass 8 kg is 6 m/sec. The kinetic energy of mass 4 kg will be
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60
Change in momentum per second is :
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