Self Studies

Laws of Motion ...

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  • Question 1
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    Which of the following relationships is correct for change in momentum?
    (where m is mass and v is velocity)

  • Question 2
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    Two forces 50 N, 20 N are acting on a body at an angle of 180°. Find net force. If these forces act at angle 0°, what would be net force?

  • Question 3
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    Which of the following statements gives the correct definition of inertia?

  • Question 4
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    Which of the following is an inherent property of each object?

  • Question 5
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    Why does athletes often land on sand after taking a high jump?

  • Question 6
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    A machine with a force equal to 140 N accelerates a mass of 20 Kg at 7 m/s2. What amount of force it should apply so that acceleration remains the same but mass becomes double. Also find acceleration if mass is double than original mass but force remains same as original force?

  • Question 7
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    A baseball will accelerate faster than a tennis ball if same force is given to them.

  • Question 8
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    Find the change in momentum if initial mass is 5 kg and the change in velocity is 7 m/sec.

  • Question 9
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    A 1000 Kg car accelerate at a rate of 6 m/s2. Find the force produced by car`s engine?

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