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A force of 10 newton acts on a body of mass 20 kg for 10 seconds. Change in its momentum is
Options
(a) 5 kg. ms⁻¹
(b) 200 kg. ms⁻¹
(c) 100 kg. ms⁻¹
(d) 1000 kg. ms⁻¹
Correct Answer:
100 kg. ms⁻¹
Explanation:
Given: Force = 10 and time = 10
Change in momentum = Impulse = Force × time
= 10 × 10 = 100 kg. ms⁻¹
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A bullet of mass 0.05 kg moving with a speed of 80 m/s enters a wooden
- Carbon,silicon and germanium have four valence electrons each. At room temperature
- A capacitor is used to store 24 watt hour of energy at 1200 volt.
- The mean radius of the earth is R, its angular speed on its own axis is ?
- An object is projected with a velocity of 20 m/s making an angle of 45⁰ with horizontal.
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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