Questions tagged 'Second Law of Motion'

• If a bullet of mass 5 gm moving with velocity 100 m /sec, penetrates the wooden block upto 6 cm. Then the average force imposed by the bullet on the block is
  Category: Laws of Motion | Tags: Second Law of Motion, NLM
• Newton's second law gives the measure of
  Category: Laws of Motion | Tags: Second Law of Motion, NLM
• A force of 100 dynes acts on mass of 5 gm for 10 sec. The velocity produced is
  Category: Laws of Motion | Tags: Second Law of Motion, NLM
• An object will continue moving uniformly until
  Category: Laws of Motion | Tags: Second Law of Motion, NLM
• A diwali rocket is ejecting 0.05 kg of gases per second at a velocity of 400 m/sec. The accelerating force on the rocket is
  Category: Laws of Motion | Tags: Second Law of Motion, NLM
• A body of mass 2 kg moving on a horizontal surface with an initial velocity of 4 m/sec comes to rest after 2 sec. If one wants to keep this body moving on the same surface with a velocity of 4 m/sec, the force required is
  Category: Laws of Motion | Tags: Second Law of Motion, NLM
• A body of mass 2 kg is hung on a spring balance mounted vertically in a lift. If the lift descends with an acceleration equal to the acceleration due to gravity ‘g’, the reading on the spring balance will be
  Category: Laws of Motion | Tags: Second Law of Motion, NLM
• In the above problem, if the lift moves up with a constant velocity of 2 m/sec, the reading on the balance will be
  Category: Laws of Motion | Tags: Second Law of Motion, NLM
• In the above problem if the lift moves up with an acceleration equal to the acceleration due to gravity, the reading on the spring balance will be
  Category: Laws of Motion | Tags: Second Law of Motion, NLM
• A coin is dropped in a lift. It takes time ${t_1}$ to reach the floor when lift is stationary. It takes time ${t_2}$ when lift is moving up with constant acceleration. Then
  Category: Laws of Motion | Tags: Second Law of Motion, NLM

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