Twoforces10 Nand 15Naer actingon actingon abody. Whatcanbe the maximumandminimumresultantforceonthebody ?

Twoforces10 Nand 15Naer actingon actingon abody. Whatcanbe the maximum

1.	Twoforces10 Nand 15Naer actingon actingon abody. Whatcanbe the maximumandminimumresultantforceonthebody ?
Answer» SOLUTION :Here : `A=10N,B=15N,R=sqrt(A^(2)+B^(2)+2ABcos0)` (a) R will be maximum if COS 0=1 Then `R=A+B = UNDERSET(to)(10)+15 underset (to)(=)25N` in the direction of A and B (b) R will be minimum if cos `0=-1` then `R=15-10=5underset(to)(N)` in the direction of B Vector addition OBEYS (1) commutative law `VECA +vecB=vecB+vecA` (2) distributive law m `(vecA+vecB)=mvecA+mvecB` (3) Associative law `vecA+(vecB+vecC)=(vecA+vecB)+vecC`