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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 5

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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41
A box is put on a scale which is adjusted to read zero when the box is empty. A stream of pebbles is then poured into the box from a height h = 5 cm above its bottom at a rate n = 10 pebbles/s. Each pebble has a mass m = 10 g. If the pebbles collide with the box inelastically (i.e., immediately come to rest after collision), the scale reading at t = 10 s after the pebbles begin to fill the box is (g = 10 m/s^2).
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42
The average force necessary to stop a hammer with 25 N·s momentum in 0.05 sec, expressed in N, is
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43
Joule-second is the unit of
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44
190 In any collision between two bodies, there need not be the conservation of
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45
A surface is hit elastically and normally by n balls per unit time, all the balls having the same mass m and moving with the same velocity u. The force on the surface is
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46
A ball of mass m1 collides elastically and head on with another ball of mass m2, originally at rest. In which of the following cases momentum conveyed will be maximum?
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47
310 When speed of a moving body becomes double
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48
A cannonball explosion from cannon with an extensive barrel will have a bigger muzzle velocity because the cannonball obtains a greater ...
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49
A shell is fired from cannon. The speed of the shell will be nearly the same as the speed of the recoiling cannon if the ____ equals the mass of the gun.
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50
A bomb of mass 3.0 kg explodes in air into two pieces of masses 2.0 kg and 1.0 kg. The smaller mass goes at a speed of 80 m/s. The total energy imparted to the two fragments is
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