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To make a body move from rest, external force is necessary. Once it starts moving, it will continue to do so until external forces act on it. So for an object to be in motion no force is required.

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13y ago
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13y ago

I just learned this, just because there is not force acting on it doesn't mean that it stopped moving. Although Ibelieve that a force is always acting on an object either way. To start or to stop.

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11y ago

Yes.

Newton's first law of motion tells us that, ...objects in motion stay in motion...unless acted upon by an external force. when an object is moving, and no force is applied to it to hinder its movement, it will continue in the same direction and at the same velocity.

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15y ago

NO.

A force called centripetal force is needed for an object to round a curve.

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13y ago

however, in order for an object to star moving an unbalanced force is required. this force may be gravity tension,a push,etc.

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13y ago

No. Acceleration is defined as any change in the speed or direction of motion.

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15y ago

In Newtonian (classical) physics, no.

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6y ago

definitely not

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Q: Can an object be in motion if no external forces acting on it?
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Related questions

Can an object in motion if no external forces are acting on it?

yes. external forces ALTER an object's motion... but once it starts moving and has no external forces being applied on it, it will go in a straight line with constant velocity (Newton's 1st Law of Motion)


How do balanced forces acting on an object affect its motion. How do unbalanced forces acting on an object affect its motion?

Balanced forces do not change its motion (no acceleration). Unbalanced forces changes the motion of the object (acceleration).


Motion is produce by?

An object's motion can't change unless an external force is acting upon it. This is Newton's First Law of Motion.


How do unbalanced forces acting on an object its motion?

Balanced forces do not change its motion (no acceleration). Unbalanced forces changes the motion of the object (acceleration).


When the forces acting on an object are balanced the motion of the object?

are constant


Is it possible for an object to not be in motion and still have forces acting on it?

Yes, the object can have equal forces acting in opposite directions: 5N ->[]<- 5N The object will have forces acting upon it, but will not move.


Unbalanced forces acting on an object will change the object's motion?

Yes.


Is it possible for an object not to be in motion and still have a force acting on it?

Yes, the object can have equal forces acting in opposite directions: 5N ->[]<- 5N The object will have forces acting upon it, but will not move.


How do balance forces acting on an object affect its motion?

When the forces acting on an object are balanced, they cancel each other out and the result is no change in its motion.Balanced forces have no effect on motion. Unbalanced forces cause acceleration.


Is it possible for an object to have serveral forces acting on it and still not change its motion?

Yes. As long as the forces are equal and opposite the object will not change its motion.


When is an object travelling in an uniform motion?

It travels in uniform motion when there are no net forces acting on it.


How do unbalanced forces acting on an object affects it's motions?

Balanced forces do not change its motion (no acceleration). Unbalanced forces changes the motion of the object (acceleration).