Read the following to give the correct answer.
 
1. 
Assertion (A): Muscular force is a type of contact force.
Reason (R): Muscular force is produced when muscles contract and relax during physical activity.
 
 2. 
Assertion (A): Muscular force is a type of non-contact force.
Reason (R): Muscular force is produced by the contraction and relaxation of muscles in the body.