Under the action of variable force, at any instant the displacement is

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Important Questions on Laws of Motion

EASY

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 2 - Laws of Motion>Exercise 1>Q 8

When two surfaces are coated with lubricant, friction between the surfaces ______.

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MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 2 - Laws of Motion>Exercise 1>Q 9

Out of the following which is NOT a friction?

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IMPORTANT

Physics Crash Course MHT-CET>Chapter 2 - Laws of Motion>Exercise 1>Q 10

When a block is kept on the table, its weight acts vertically downwards then the force exerted by the surface on the block is

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IMPORTANT

Physics Crash Course MHT-CET>Chapter 2 - Laws of Motion>Exercise 1>Q 11

Consider the following statements about the four fundamental forces in nature.
(i) The strong nuclear force binds protons and neutrons in a nucleus.
(ii) The strong nuclear force is about

10^{3}

times the electromagnetic force in strength.
(iii) The weak nuclear force is the weakest of all the four fundamental forces.
(iv) The range of the weak nuclear is about

10^{- 16} m

The correct statement(s) is (are)

EASY

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 2 - Laws of Motion>Exercise 1>Q 12

Match the following (Take the relative strength of the strongest fundamental forces in nature as one)

I	II
Fundamental forces in nature	Relative strength
(A) Strong nuclear force	(e) $10^{- 2}$
(B) Weak nuclear force	(f) $1$
(C) Electromagnetic force	(h) $10^{-13}$
(D) Gravitational force	(i) $10^{- 39}$