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Answered 2011-11-10 02:07:10

YoU know when it's balanced because the object isn't moving ?

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How do you know that the forces acting on an object are balanced?

The object will be in both rotational and translational equilibrium and will not be moving.

When an objects motion changes you know that the forces acting on it are?

Not balanced. The net force acting on the object is not zero.

When an object is at rest what are the forces acting on it?

You never know. The only thing you know about the forces on an object that's not accelerating is: They all add up to zero, and their effect on the object is the same as if no forces at all were acting on it. That's the same as saying that all the forces on the object are 'balanced'.

How can you tell if a force is balanced or unbalanced by looking at it?

If the object is going at a constant speed or it is still you know the forces acting on it are balanced. If the object is accelerating or decelerating the forces acting on it are un-balanced. when the state of motion of the body changes, forces aren't balanced. So, you need to look at it long enough to see the state of motion changing.

How do you know when two forces are balanced?

You know when two forces are balanced when the motion of the object the forces are being applied to does not change.

How do you know if the forces on an object are balanced?

When the object is not moving or when the object is moving at a constant velocity.

How do balanced and unbalanced forces affect the motion of an object?

Objects move according to their net force, or the total amount of force acting on them. Balanced forces are just that, balanced. An object with balanced forces will not move because the opposing forces will cancel each other out. However, if there are unbalanced forces, the object will move in accordance with the force that is greater. When moving though, there is always friction. Whether you be underwater, on the ground, or in the air there is always friction on the Earth. (Besides vacuums, of course.) Force is equal to mass x acceleration. With that you can find the forces of the object if you know its mass and acceleration.

If the net force on an object is zero what do you know about all of the forces acting on the object?

Net force is a combination of all the foces acting on an object.If two forces are acting in the same direction you add the forces to calculate the net force

What is the difference between balanced forces and unbalanced forces?

Balanced forces are forces that balance. While unbalanced forces are forces that do not balance. An example could be: Balanced forces: 1gram of sugar and 1 gram of salt They both weigh the same so the forces are balanced An example could be: Unbalanced forces: 1 ton of iron & a ball. We all know that the 1ton of iron weighs more than the ball so the forces are unbalanced Balanced forces are forces on a object that cause the net force to be zero. Unbalanced forces do not cause a change in motion or acceleration. When two forces acting on a body are equal in magnitude and opposite in direction is called balanced force. When two forces acting on body are not equal in magnitude or not in opposite direction is called unbalanced force.

What do you know about all forces acting on an object?

If the object is not moving, or moving at a constant velocity, then the forces add up to zero. If it is accelerating then the forces do not all cancel out.

How do you know if the net forces on an object are balanced or not?

If the vector sum is zero. In other words, if the componens of force add to zero it is balanced.

If an object is moving at a constant speed what do we know about the forces acting on the object?

Not much, really. If the object's direction is changing, then the velocity changes, and there are forces acting on it. The only thing we can say is that the net force acting on the object is either zero, or it is perpendicular to the movement.If the VELOCITY doesn't change, then the net force (the sum of the forces) is zero.

What are the 2 forces acting on a sinking object?

There are 3 (I am doing physics IGCSE and my paper says state the 3 forces acting on a sinking anchor), but I only know one, upthrust!

Which force on an object with a net force of zero?

There could be millions of individual forces acting on the object. But if there's no NET force, then we know that the vector sum of all the individual forces is zero.

When a pair of balanced forces acts on an object what happen to the net force?

If the forces oppose each other then nothing will happen, if the forces are acting in the same direction then they would actually be one force, equal to the sum of the two forces, if the forces are oblique then more advanced vectors would come into play... the ones that i know well enough to use but not teach.

What does the motion of an object look like after the forces acting on it end?

We don't know what the forces were or in what direction, and we don't know anything about the object. So we have no idea what its motion looks like when the forces end. But we do know that whatever speed it has and whatever direction it's moving at the instant the forces stop, it'll continue in the same direction at the same speed from then on.

What occurs in an objects position when acted on by an unbalanced force?

First of all, there's no such thing as an unbalanced force. A group of forces maybe balanced or unbalanced, but the forces themselves aren't.An unbalanced group of forces acting on an object causes the object's velocityto change. That means the speed or direction of its motion changes. It doesn'ttell you anything about the object's position. In order to figure that out, you'dhave to know what its speed and direction were before the unbalanced groupof forces began acting on it, and you'd also need to know the object's mass.

Why must you know the directions of the forces acting on an object?

because otherwise there are too many variables to upset the calculation of forces and the data wont be accurate. If you know the direction then its many less variables to consider.

How do you know that forces are balanced when static friction acts on an object?

The other force being applied, opposing to the object's static friction would both be equal therefore the forces are balancing.

A falling object is encountering air resistance At the moment the object reaches its terminal speed?

... I think you want to know about forces. At terminal velocity, the force of gravity is balanced by the air resistance, so no further acceleration occurs (balanced forces are the equivalent of an absence of force), which is why we call it *terminal* ("end value") velocity.

What forces are acting on the Eiffel Tower?

The forces I know of are wind, electrical storms, and gravity.

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