Two forces are acting at an angle of 120°. The bigger force is 40 N and the resultant is perpendicular to the smaller one. The smaller force is
Answer: A
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The energy possessed by a body, for doing work by virtue of its position, is called
Answer: A
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A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of
Answer: B
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The angular velocity (in rad/s) of a body rotating at N revolutions per minute is
Answer: C
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The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projection, α = Angle of projection, and β = Inclination of the plane with the horizontal.)
Answer: B
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The centre of gravity of a uniform lamina lies at
Answer: C
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In actual machines, mechanical advantage is _________ velocity ratio.
Answer: B
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The forces, which meet at one point and their lines of action also lie on the same plane, are known as
Answer: A
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The maximum velocity of a particle moving with simple harmonic motion is
Answer: B
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The coefficient of friction depends upon
Answer: A
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