List of top Science Questions on Force of Friction

You spill a bucket of soapy water on a marble floor accidently. Would it make it easier or more difficult for you to walk on the floor? Why

Explain why sliding friction is less than static friction.

Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?

Give examples to show that friction is both a friend and a foe.

Explain why sportsmen use shoes with spikes.

Suppose your writing desk is tilted a little. A book kept on it starts sliding down. Show the direction of frictional force acting on it.

Alida runs her toy car on dry marble floor, wet marble floor, newspaper and towel spread on the floor. The force of friction acting on the car on different surfaces in increasing order will be

Fill in the blanks.

1. Friction opposes the ___ between the surfaces in contact with each other.
2. Friction depends on the ___ of surfaces.
3. Friction produces ___.
4. Sprinkling of powder on the carrom board ___ friction.
5. Sliding friction is ___ than the static friction.