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# What needs to be applied in order to change an objects velocity?

Updated: 9/25/2023 Wiki User

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Q: What needs to be applied in order to change an objects velocity?
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To need force

### Do objects in motion always change position and may change direction?

Objects in motion continuously change position.To change direction, a force needs to act upon them.

Escape velocity.

### What happens to a room once you leave it?

It stays the way you left it, unless someone else enters and modifies the room according to the person's or thing's needs, then the room will be left exactly as they were last modified and will not change until otherwise force is applied to the objects in the room, altering its formation and appearance

### Does net force cause displacement?

Basically, a net force causes an acceleration - a change in velocity. Over time, this must needs cause a displacement.

### How do you find distance with uniform velocity time final velocity and initial velocity?

If the velocity is uniform, then the final velocity and the initial velocity are the same. Perhaps you meant to say uniform acceleration. In any event, the question needs to be stated more precisely.

### How do collision exemplify the law of conservation of momentum?

The vector sum of momenta before and after the collision is the same. One way to visualize this is that if one of the colliding objects changes its momentum (mass x velocity) in one direction, then the other colliding object must needs change its momentum in the opposite direction - by the same amount, except for the direction.

### How do collisions exemplify the law of conservation of momentum?

The vector sum of momenta before and after the collision is the same. One way to visualize this is that if one of the colliding objects changes its momentum (mass x velocity) in one direction, then the other colliding object must needs change its momentum in the opposite direction - by the same amount, except for the direction.

### What do you need to know describe the velocity of an object?

velocity is what is known as a vector quantity. What this means is it needs both a DIRECTION and a MAGNITUDE for the velocity to be fully described. that's what you need.

### What to Things do you need to know to describe the velocity of an object?

velocity is what is known as a vector quantity. What this means is it needs both a DIRECTION and a MAGNITUDE for the velocity to be fully described. that's what you need.

very fast

### When you know both the speed and direction of an object's while it is in motion do you know the velocity of the object?

Yes. Velocity is a vector quantity that needs a magnitude (speed is the corresponding scalar to velocity) and a direction.