PH-86
Resultant force and F = ma
Physics · Secondary 3 · Medium · Resultant force and F = ma
A 6 kg box is pulled horizontally with a force of 20 N and accelerates at 2 m s⁻². Assuming no other horizontal forces, what is the frictional force acting on the box?
- 4 N
- 8 N
- 12 N
- 20 N
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