Laws of Motion

Related Questions

• An elevator weighing 6000 kg is pulled upward by a cable with an acceleration of $5\,m{s^{ - 2}}$. Taking g to be $10\,m{s^{ - 2}}$, then the tension in the cable is

  ---

• A bullet mass 10 gm is fired from a gun of mass 1kg. If the recoil velocity is 5 m/s, the velocity of the muzzle is

  ---

• A cart of mass M is tied by one end of a massless rope of length 10 m. The other end of the rope is in the hands of a man of mass M. The entire system is on a smooth horizontal surface. The man is at x = 0 and the cart at x = 10 m. If the man pulls the cart by the rope, the man and the cart will meet at the point

  ---

• A pendulum bob of mass 50 gm is suspended from the ceiling of an elevator. The tension in the string if the elevator goes up with uniform velocity is approximately

  ---

• The velocity of a body at time t = 0 is $10\sqrt 2 $ m/s in the north-east direction and it is moving with an acceleration of 2 m/s2 directed towards the south. The magnitude and direction of the velocity of the body after 5 sec will be

  ---