Question

C. State TRUE or FALSE.
1. Friction is always advantageous.
2. The efficiency of machine is reduced due to friction.
3. The irregularities present on the surface of objects causes friction.
4. Friction makes it difficult to walk.
5. Friction depends on the nature of a surface.​

Answer 1

Answer:

false sometime dangerous

Explanation:

false

Answer 2

Answer:

here pa you're answer

Explanation:

see this in pictures

its true da