Physics for IGCSE & O level - Forces And Motion (Section 8 - No. 42)
If you push a box with a force of 10 N, and friction exerts a force of 3 N, what is the net force on the box?
3 N
7 N
10 N
13 N
คำอธิบาย
Net force is the difference of the forces acting on an object.