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Two forces 10N and 6N act in the directions 060° and ...

Two forces 10N and 6N act in the directions 060° and 330° respectively. Find the x- component of their resultant.

A.

533

B.

353

C.

533

D.

335

Correct answer is A

F=Fcosθi+Fsinθj

10N=10cos60i+10sin60j

6N=6cos330i6sin330j

Rx=10cos606cos330

= 10×126×32

= 533