Question

the two vector of a 8 unit and 6unit are moving from same direction what is the resultant?​

Answer 1

Correct option is

E

2 units, 14 units, or some value between them

The magnitude of resultant vector is

∣

∣

∣

∣

R

∣

∣

∣

∣

=

P

2

+Q

2

+2PQcosθ

−1<cosθ<1

Thus

P

2

+Q

2

−2PQ

<

∣

∣

∣

∣

R

∣

∣

∣

∣

<

P

2

+Q

2

+2PQ

⟹P−Q≤

∣

∣

∣

∣

R

∣

∣

∣

∣

≤P+Q

⟹2≤

∣

∣

∣

∣

R

∣

∣

∣

∣

≤14