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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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Important Questions on Laws of Motion

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Agniveer Vayu
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 8
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?
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 9
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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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 10
A motorcycle and a car are moving on a horizontal road with the same velocity. If they are brought to rest by the application of brakes, which provided equal retardation, then
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 11
A body of mass 2 kg moving on a horizontal surface with an initial velocity of 4 m s-1 comes to rest after 2 s. If one wants to keep this body moving on the same surface with a velocity of 4 m s-1, then the force required is
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 12
A ball is travelling with uniform translatory motion. This means that:
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 1
A wooden block of mass 1 kg is attached to the hook of a spring balance. The spring balance is then raised with an acceleration of 9.8 m s-2. The apparent weight of the body is,
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 2
A car accelerates on a horizontal road due to the force exerted by
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Agniveer Vayu
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 3
A body of mass 5 kg is acted upon by a force F→=(-3i^+4j^) N. If its initial velocity at t=0 is v→=(6i^-12j^) m s-1 the time at which it will just have a velocity along the y axis is: