Self Studies

Laws of Motion ...

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  • Question 1
    4 / -1

    The mass of a lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its acceleration is

  • Question 2
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    Formula for true force is

  • Question 3
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    A 10 kg stone is suspended with a rope of breaking strength 30 kg wt. The minimum time in which the stone can be raised through a height 10 m starting from rest is (taking g = 10 N/kg)

  • Question 4
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    A reference frame attached to the earth

  • Question 5
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  • Question 6
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    A force of 5 N acts on a body of weight 9.8 N. What is the acceleration produced in m/sec2?

  • Question 7
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    The engine of a car produces acceleration 4 m/s 2 in the car. If this car pulls another car of same mass, what will be the acceleration produced?

  • Question 8
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    A lift is going up. The total mass of the lift and the passenger is 1500 kg. The variation in the speed of the lift is as given in the graph. The tension in the rope pulling the lift at t =11th sec will be

  • Question 9
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    In the above question, the height to which the lift takes the passenger is

  • Question 10
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    A body of mass 5 kg is suspended by a spring balance on an inclined plane as shown in figure. The spring balance measure

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