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Laws Of Motion ...

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  • Question 1
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    A constant force acting on a body of mass 3 kg changes its speed from 2 m/s to 3.5 m/s in 10 second. If the direction of motion of the body remains unchanged, what is the magnitude and direction of the force?

  • Question 2
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    The product of mass and velocity is known as

  • Question 3
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    In cgs system the gravitational unit of force is gram weight (g wt).Then 1g wt (or g f) =_______ dyne.

  • Question 4
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    The dimensional formula of Plancks’s constant and angular momentum are

  • Question 5
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    Which of the following quantity has the unit of newton-second?

  • Question 6
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     If newton is the unit of force in MKS system then, in CGS system 1N= ______ dyne

  • Question 7
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    Three forces 2570_image008 act on an object of mass m = 2 kg. The acceleration of the object in m/s2 is:

  • Question 8
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     Newton’s second law of motion relates

  • Question 9
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    A cyclist of mass 30 kg exerts a force of 250 N to move his cycle. The acceleration is 4 ms−2. The force of friction between the road and tyres will be

  • Question 10
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    The time rate of change of momentum is called:

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