Question

two forces of 10n and 15n are acting simultaneously on an object in the same direction. the resultant is?

Answer 1

Answer:

if 2 forces of 10 Newton and 15 Newton act in the same direction then the resultant force should be vector sum of the two forces

or, resultant is = (10 +15) N = 25N

Answer 2

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If you apply the both the forces in same direction the net resultant forces will lead the body to accelerate ;lets say the body have mass *m*

so it will have and acceleration by the formula f=ma

net force=$10+15=25$

f=ma

$25$=ma

a=$25/m$

and if the net forces are on opposite direction then

$f=15–10$ (since the higher magnitude will produce the acceleration)

so f=5

5=ma

a=5/m

and if the both forces acts on the top part of the mass it will be balanced by the normal reaction force

15+10+mg=N (mg also acting downwards)

if one force is up and one is down so it will be

$15–10$+mg=N