Question

6 or 7 disadvantages of friction​

Answer 1

Answer:

Disadvantages of Friction: 1) Friction Slow Down motion. 3) it produces heat which may damage machines. 4) it wears out steps of staircase in buildings and foot over bridges.

Answer 2

Answer:

More energy will be required to move the body.

Parts of machine might lose their shape.

Machine might stop working properly.

Since friction is a resistive force that slows down or prevents motion, it can be a nuisance, because it can hinder motion and cause the need for expending extra energy. Friction can also causeparts in contact to heat up and can cause parts in contact to wear out