Concept explainers
Whether any forces are acting on the object if the acceleration of an object is zero.
Explanation of Solution
The forces on the object if acceleration is zero, are normal force and the force due to gravity. The resultantof these forces, acting on the object is zero. If the object is moving with constant velocity, then acceleration is zero. Resultant of the forces acting on the object is zero. A stopped car is an example of zero acceleration. Although normal forces and force due to gravity works on it. The resultant of these forces is zero.
Conclusion:
Forces act on the object even if its acceleration is zero.
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