Newton’s first law of motion is also known as ……………..
A) Law of friction
B) Law of force
C) Law of inertia
D) Law of momentum
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State the limitations of Newton’s laws of motion.
1. Newton’s laws of motion are not applicable in a non-inertial (accelerated) frame of reference. 2. Newton’s laws are only applicable to point objects. 3. Newton’s laws are only applicable to rigid...
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According to Newton’s third law of motion for every action there is equal and opposite reaction, why two equal and opposite
Forces of action and reaction always act on different bodies, hence they never cancel each other.
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A force of 5 newton acts on a body of weight 9.80 newton. What is the acceleration produced in m/s^2?
Correct option is: (C) 5.00 Given, F = 5N W = 9.80 a = ? W = mg \(9.80 = m \times 9.8\) m = 1 kg F = ma \(5 = 1 \times a\) \(a = 5 m/s^2\)
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A force of 5 newton acts on a body of weight 9.80 newton. What is the acceleration produced in m/s^2?
2 Answers
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(I) Kepler derived the laws of planetary motion. (II) Newton provided the reason behind the laws of planetary motion.
Correct option is: (B) (II) is correct.
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Newton’s law of gravitation is called universal law because (A) force is always attractive.
(D) it is applicable at all places of universe for all distances between all particles.
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Law of inertia A) Newton’s first law of motion
A) Newton’s first law of motion
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In Newton’s third law of motion, the two opposing forces are known as ………………
B) action, reaction pair
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Which of the following is not an application of Newton’s third law of motion ?
The correct option is (D) None
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1 Watt = ……………….. A) 1 erg/s B) 1 J/s C) 1 Newton/ sec D) 1 Newton . sec
Correct option is B) 1 J/s
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