Question

How can we decrease friction in the following cases? i. Between the parts of machine ii. On the dancing floor​

Answer 1

Answer:

polishing and spreading oil on floor

Answer 2

Answer:

Friction can be minimized by using lubricants like oil and grease and by using ball bearing between machine parts. A substance that is introduced between two surfaces in contact, to reduce friction, is called a lubricant. Fluid friction can be minimized by giving suitable shapes to the objects moving in the fluids.

spreading oil on floor