A non-zero net force acting on a body disturbs the state of …………….
A) rest
B) motion
C) both
D) neither A nor B
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A constant force acting on a body of mass 3 kg changes its speed from 2 ms^-1 to 3.5 m/s in 25 s. The direction of motion of the body remains
Given: u = 2 ms-1, m = 3 kg, v = 3.5 m s-1, t = 25s To find: Force (F) Formula: F = ma Calculation: Since, v = u + at ∴ 3.5 =...
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When the net force acting on a body is zero, the body is in
C) equilibrium
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A non-zero net force acting on a body disturbs the state of
A) equilibrium
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Effect of action of non zero net force on an object is explained by
B) Newton’s second law of motion
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When a net force acting on a system is zero, then the system is said to be
A) isolated system
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When a net force acting on a system is zero, then that system is called ……………….
Correct option is C) isolated
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A body is disturbed its state of equilibrium. Guess the reason. A) A non – zero force acted on it
A) A non – zero force acted on it
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Formula a = b × c, says that the net force produces acceleration in a body in the direction of force,
B) Fnet , mass, acceleration
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Take a block of ice and place it on a smooth surface, push the block with some net force. Now increase the net force and push it again.
C) Larger the net force larger the acceleration
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Assessment (A) : The net force which change only the direction of the velocity of a body is called centripetal force.
A) A and R are true
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