Laws of Motion

Related Questions

• A gun of mass $10kg$ fires 4 bullets per second. The mass of each bullet is 20 g and the velocity of the bullet when it leaves the gun is $300\,m{s^{ - 1}}.$ The force required to hold the gun while firing is

  ---

• You are on a frictionless horizontal plane. How can you get off if no horizontal force is exerted by pushing against the surface

  ---

• A body is moving along a rough horizontal surface with an initial velocity $6\,\,m/s.$ If the body comes to rest after travelling 9 m, then the coefficient of sliding friction will be

  ---

• A body B lies on a smooth horizontal table and another body A is placed on B. The coefficient of friction between A and B is $\mu $. What acceleration given to B will cause slipping to occur between A and B

  ---

• A mass of 10 gm is suspended by a string and the entire system is falling with a uniform acceleration of $400\,cm/{\sec ^2}.$The tension in the string will be $(g = 980\,cm/{\sec ^2})$

  ---