Question

two differences and similarities between muscular and friction force

Answer 1

Muscular force is doing work on musels and friction force is doing on friction.

Answer 2

"Muscular force:

• This force does not produce heat when work is done.
• It is under our control which is used when we lift an object with the help of muscles.
• It cannot be used anywhere as it need our muscles.

Frication force:

• This force produces heat when work is done.
• It is under the control of the object and surface.
• It can be used anywhere with any of the objects."