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Motion in One Dimension MCQs for Competitive Exams

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Motion in One Dimension MCQs for Competitive Exams

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

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Topic Notes: Motion in One Dimension

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

Motion in One Dimension 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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11
The relation between time t and distance x is t = a x² + B x; where a and b are constants. The retardation is
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12
Two cars are moving in the same direction with the same speed of 30 km/hr. They are separated by a distance of 5 km. What is the speed of a car moving in the opposite direction if it meets these two cars at an interval of 4 minutes?
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13
31. The dot product of vectors results in a
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14
A car is moving along a straight road with a uniform acceleration. It passes through two points P & Q separated by a distance with velocities 30 km/hr & 40 km/hr respectively. The velocity of the car midway between P & Q is
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15
An astronaut throws a stone of mass m vertically upwards with velocity 10 m/s. It reaches maximum height of 10 m. If another stone of mass 2m is thrown upwards with velocity 20 m/s, the maximum height reached will be
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16
For any two vectors A and B, if A · B = |A × B|, the magnitude of C = A + B is
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17
If A = 2i + 4j + 6k and B = -1 - 2j + 3k, what will be A · B?
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18
A ball thrown vertically upward returns to its starting point in 4 s. Its initial speed is
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19
A car starts from Lahore and goes 60 km north towards Gujranwala. After travelling 60 km, the car immediately turns round and returns to Lahore. The total time for this round trip is 2 hours. The magnitude of average velocity of the car for this round trip is:
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20
A boy 1.5 metres tall runs with a speed of 3 m/s along a straight path passing under a lamp hanging at a height of 3 metres, then
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