Newton's Laws Fundamentals

Master inertia, force, and action–reaction with core Newton's laws MCQs. Ideal for students preparing board exams and competitive tests.

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Newton's Laws Fundamentals
QUESTION NO 01
Gravitational force between two masses is?

Answer: Always attractive
Newton's law of gravitation is always attractive.
Shahzad Mahota
Shahzad Mahota @shahzad-mahota
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QUESTION NO 02
Centripetal force is directed?

Answer: Towards the centre of the circle
Centripetal force always points toward the centre of circular motion.
Shahzad Mahota
Shahzad Mahota @shahzad-mahota
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QUESTION NO 03
Impulse equals the change in?

Answer: Momentum
Impulse J = FΔt = Δp.
Shahzad Mahota
Shahzad Mahota @shahzad-mahota
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QUESTION NO 04
Momentum is the product of?

Answer: Mass and velocity
Linear momentum p = mv.
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Shahzad Mahota @shahzad-mahota
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QUESTION NO 05
Kinetic energy of a body of mass m and speed v is?

Answer: (1/2)mv²
Translational kinetic energy K = ½mv².
Shahzad Mahota
Shahzad Mahota @shahzad-mahota
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QUESTION NO 06
Work done is zero when force is?

Answer: Perpendicular to displacement
W = F·s·cosθ; if θ = 90°, work is zero.
Shahzad Mahota
Shahzad Mahota @shahzad-mahota
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QUESTION NO 07
A body moving with constant speed in a straight line has?

Answer: Zero acceleration
Constant velocity means acceleration is zero.
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Shahzad Mahota @shahzad-mahota
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QUESTION NO 08
Acceleration is the rate of change of?

Answer: Velocity
Acceleration a = Δv/Δt is the rate of change of velocity.
Shahzad Mahota
Shahzad Mahota @shahzad-mahota
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QUESTION NO 09
SI unit of force is?

Answer: Newton
Force is measured in newtons (N), where 1 N = 1 kg·m/s².
Shahzad Mahota
Shahzad Mahota @shahzad-mahota
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QUESTION NO 10
Newton's first law is also known as the law of?

Answer: Inertia
Newton's first law states that a body remains at rest or in uniform motion unless acted upon by a net external force — the law of inertia.
Shahzad Mahota
Shahzad Mahota @shahzad-mahota
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