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A net force of 16 N [40° W of N] is caused by two applied forces acting on the same
object. These two forces are:
A) 10 N [W] and 12 N [N]
B) 12 N [W] and 10 N [N]
C) 14 N [W] and 12 N [N]
D) 12 N [W] and 14 N [N]
E) 10 N [W] and 14 N [N]

Respuesta :

The two forces are 12N and 10N (option B)

What is the net force?

The net force is the force that has the same effect in magnitude and direction as the two forces acting together.

This problem can be solved using a right angled triangle;

Let the forces be P and Q

sin 40 = P/16

P= 16 sin 40

P = 10 N

Cos 40 = Q/16

Q = 16 cos 40

Q = 12 N

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