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When a car takes a sudden left turn in the curved road, passengers are pushed towards the right due to

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Important Questions on Laws of Motion

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Three forces acting on a body are shown in the figure. To have a resultant force only along the Y-axis, the magnitude of the minimum additional force needed is:

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Statement I : A cloth covers a table. Some dishes are kept on it. The cloth can be pulled out without dislodging the dishes from the table

Statement II : For every action there is an equal and opposite reaction.

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A body of mass 2 kg moving on horizontal surface with an initial velocity of 4 m/s comes to rest after 2 s. If one wants to keep this, body moving on the same surface with a velocity 4 m/s, the force required is
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The tension in the given spring is

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Which of the following statements is absolutely correct about mass?
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An object of mass 1 kg is moving with a constant velocity of 2 m s-1 on a frictionless table. The force required to keep the object moving with the same velocity is 
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An intersteller spacecraft far away from the influence of any stars or planets is moving at high speed under the influence of fusion rockets (due to thrust exerted by fusion rockets the spacecraft is accelerating). Suddenly the engine malfunction and stops. The spacecraft will
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A stone of mass 0.25 kg tied to the end of a string is whirled round in a circle of radius 1.5 m with a speed of 40 rev/min in a horizontal plane. If the speed of the stone is increased beyond the maximum permissible value, and the string breaks suddenly, which of the following correctly describes the trajectory of the stone after the string breaks?