Find the size of the net force produced by a 4 N and a 14 N force in each of the following arrangements.

(a) The forces act in the same direction.

N

(b) The forces act in opposite directions.

N

(c) The forces act at right angles to each other.

N

1 answer

(a) they add

(b) they subtract

(c) use Pythagoras ... a^2 + b^2 = c^2
... the resultant is the hypotenuse