If all of the forces acting on an object balance so that the net force is zero, then

Athe object must be at rest
Bthe object’s speed will decrease
Cthe object will follow a parabolic trajectory
Dthe object’s direction of motion can change, but its speed cannot
ENone of the above

The answer is (A) the object must be at rest.

When all of the forces acting on an object balance, the net force is zero and hence the object will not move.

Yes, the direction might also change under some special circumstances.

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If all of the forces acting on an object balance so that the net force is zero, then Athe object must be at restBthe object’s speed will decreaseCthe object will follow a parabolic trajectoryDthe object’s direction of motion can change, but its speed cannotENone of the above

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Related Questions

If all of the forces acting on an object balance so that the net force is zero, then

Athe object must be at rest
Bthe object’s speed will decrease
Cthe object will follow a parabolic trajectory
Dthe object’s direction of motion can change, but its speed cannot
ENone of the above