Force and Press...

When you and your friend pushed heavy table in the same direction, it becomes easier to move. This is because:

The $$SI$$ units of Force are _____ or _____.

Select the correct alternative:
A force does not change.

Which of the following is not an effect of force?

Which is much easier to burst an inflated balloon. When the same force is applied

During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is

Given figure shows a man with a parachute. Name the force which is responsible for his downward motion. Will he come down with the same speed without the parachute?

While sieving grains, small pieces fall down. Which force pulls them down?

A girl stands on a box having 60 cm length, 40 cm breadth and 20 cm width in three ways. The pressure exerted by the box will be:

A knife with sharp edge is more effective than a blunt knife because: