Laws of Motion

Related Questions

• A plumb line is suspended from a ceiling of a car moving with horizontal acceleration of a. What will be the angle of inclination with vertical

  ---

• A body of mass 5 kg starts from the origin with an initial velocity $\overrightarrow {u\,} \, = \,30\hat i + 40\hat j\,m{s^{ - 1}}$. If a constant force $\overrightarrow {F\,} = - (\hat i + 5\hat j)N$ acts on the body, the time in which the y–component of the velocity becomes zero is

  ---

• A rocket can go vertically upwards in earth's atmosphere because

  ---

• A given object takes n times as much time to slide down a 45° rough incline as it takes to slide down a perfectly smooth 45° incline. The coefficient of kinetic friction between the object and the incline is given by

  ---

• A 500 kg horse pulls a cart of mass 1500 kg along a level road with an acceleration of $1\,m{s^{ - 2}}$. If the coefficient of sliding friction is 0.2, then the force exerted by the horse in forward direction is

  ---