FRICTION - Quiz

1) What is the centre of gravity of a solid hemisphere from its base?

4r/5 3r/8 3r/4 r/2

2) What is the centre of gravity of a sphere?

At the centre On the circumference At the diameter At the radius

3) Which state of equilibrium's example is A cone resting on its tip?

Stable Neutral Unstable Horizontal

4) Which one of the following geometrical shape's centre of gravity lies from its base is 1/3 of its height?

Square Rhombus Triangle Cone

5) Which state of equilibrium's example is, A cone resting on its base?

Un-stable Neutral Stable Bothe A and B