Sir please solve this

Dear Student, 
A. Fill in the blanks - 
1. Friction always opposes any relative motion between the two surfaces that are in contact with each other.
2. Static friction is always greater than sliding friction.
3. Sportsmen use shoes fitted with spikes to increase friction between their shoes and the ground.
4. Sprinkling of talcum powder, on the carrom board helps to reduce friction.
5. Frictional force, on an object moving in a fluid depends on its shape, nature and speed of fluid   .
6. The shape of an aeroplane is streamlined to reduce, the effects of friction, dur to air.

Kindly post the different question in different thread.
Regards