Year 10 Force And Motion Practice Test

How many forces act on a stationary object?

One Three Four Two

Correct Answer:

Two

Explanation:

Staying at rest happens when the total force on the object is zero. For a stationary object on a surface, gravity pulls downward while the surface pushes upward with a normal force. These two forces balance each other, so the net force is zero and there is no acceleration. That’s why two forces are acting in this common scenario. If other interactions were present (like a push or friction), there could be more forces, but in the simple case of a stationary object on a surface, two forces balance to keep it at rest.

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