(a) What is surface tension? (b) State two methods by which the surface tension of a liquid can be reduced.

If the force of attraction between the sun and the 1 planets is removed; the planets will

A net force of magnitude 0.6N acts on a body of mass 40g, initially at rest. Calculate the magnitude of tire resulting acceleration.

Palm oil from a bottle flows out more easily after it as been heated because the

The force between molecules of the same substance is termed

A motorcyclist, passing a road junction, moves due west for 8 s at a uniform speed of 5ms-1. He then moves due north for another 6 s with the same speed. At ...

A body weighing 10N moves with a speed of 5ms-1 in a horizontal circular path of radius 5m. Calculate the . magnitude of the centripetal force acting on the ...

A stone of mass 0.7kg is projected vertically , upwards with a speed of 5ms-1. Calculate the maximum height reached. (Take g as 10ms-2 and neglect air resist...

The time rate of change of displacement is known as