State True or False:
When two forces act in opposite directions on an object, the net force is the difference between the two forces.
(i) Draw a diagram to show that liquids exert force (pressure) on their walls.
(ii) What happens to the force if some more water is added in the bottle?
Draw a diagram to show that liquids exert equal pressure at the same depth.
State True or False:
A cyclist exerts a force of pull on the pedals of his bicycle.
State True or False:
Only the earth exerts gravitational force on all objects.
