5. An object of mass m30 kg is placed on a rough surface inclined by an angle 0 = 45° relative to the%3Dhorizontal, as shown in figure. Find the acceleration of the object given that the coefficient of kineticfriction uk= 0.27.

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5. An object of mass m = 30 kg is placed on a rough surface inclined by an angle 0 = 45° relative to the horizontal, as shown in figure. Find the acceleration of the object given that the coefficient of kinetic friction uk= 0.27.

5. An object of mass m = 30 kg is placed on a rough surface inclined by an angle 0 = 45° relative to the horizontal, as shown in figure. Find the acceleration of the object given that the coefficient of kinetic friction uk= 0.27.

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Chapter7: Rotational Motion And Gravitation

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!

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5. An object of mass m
30 kg is placed on a rough surface inclined by an angle 0 = 45° relative to the
%3D
horizontal, as shown in figure. Find the acceleration of the object given that the coefficient of kinetic
friction uk= 0.27.

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