Question

The following forces act on an object: 20 N north, 35 N south, and 40 N west. What is the magnitude of the net force?

Answer 1

Answer:

Force acting towards north

F

N

=20 N

i

^

i.e. towards north

Force acting towards south

F

S

=12 N (−

i

^

) i.e. towards south

Resultant force

F

R

=

F

N

+

F

S

F

R

=20

i

^

−12

i

^

=8

i

^

Thus resultant force will act towards north with magnitude 8N.

Answer 2

Answer:

8 N is the correct answer ....