1:   Impulse on a body is
Options:
  1. equal to change in momentum
  2. equal to rate of change in momentum
  3. equal rate of change of velocity
  4. equal to force X mass

Answer: Option 1

Explanation:

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2:   A rocket of 50 gm is fired with a velocity of 400 m/s. force on rocket will be
Options:
  1. 20N
  2. 20 dyne
  3. 100N
  4. 22 dyne

Answer: Option 4

Explanation:

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3:   Principle of Rocket propulsion is
Options:
  1. conservation of mass
  2. conservation of energy
  3. conservation of velocity
  4. conservation of momentum

Answer: Option 2

Explanation:

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4:   Bodies of different masses are left fall from a certain height, then they will have different
Options:
  1. velocity
  2. momentum
  3. acceleration
  4. none of these

Answer: Option 2

Explanation:

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5:   A heavy body A and a light body B have same momentum, then
Options:
  1. velocity of B will be less than velocity of A
  2. Velocity of B will be more than velocity of A
  3. Velocities of both will be same
  4. nothing can be said

Answer: Option 2

Explanation:

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6:   A constant force is applied on a body then
Options:
  1. its velocity will be uniform
  2. its acceleration will be uniform
  3. its momentum will be uniform
  4. its impulse will be uniform

Answer: Option 2

Explanation:

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7:   Ratio of weight of a man in stationary lift and in lift descending with uniform acceleration a is 3:2, value of a will be
Options:
  1. 3g /2
  2. g/3
  3. 2g/3
  4. g

Answer: Option 2

Explanation:

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8:   A lift is ascending with 3 g acceleration. For a man of mass M the reaction of floor will be
Options:
  1. 3 Mg
  2. 4 Mg
  3. 1 Mg
  4. 2 Mg

Answer: Option 4

Explanation:

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9:   The weight of man appears to be decreased in a lift when it is
Options:
  1. descending with uniform velocity
  2. ascending with uniform velocity
  3. ascending with acceleration
  4. descending with acceleration

Answer: Option 3

Explanation:

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10:   A 5 gm bullet enters 6 cm inside a wooden block with initial velocity 100 m/s. The average force applied by bullet on block is nearly
Options:
  1. 8300 N
  2. 417 N
  3. 830 N
  4. zero

Answer: Option 2

Explanation:

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It's funny how, in this journey of life, even though we may begin at different times and places, our paths cross with others so that we may share our love, compassion, observations, and hope. This is a design of God that I appreciate and cherish.
-Steve Maraboli Unapologetically You: Reflections on Life and the Human Experience