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Answered 2009-05-27 01:17:29

No. For you to know acceleration you need the rate of change of speed and the direction.

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What three ways can acceleration change an objects motion?

Acceleration is the change in velocity and/or direction of an object. Acceleration can either speed an object up, slow it down (deceleration), or change the direction in which the object is moving.

Can an object be moving if acceleration is zero?

Yes. Acceleration is defined as a change of speed and/or direction of motion. If the speed and direction of motion are constant, then there is no acceleration.

How does force affect the motion of an object?

If you apply force to an object, you accelerate it. If you apply the force in the direction that the object is moving, you speed it up. If you apply it in the opposite direction, you slow it down. If you apply the force in another direction than the object is moving in you will change the direction of the objects motion. The amount of acceleration is given by a = F/m where a is acceleration, F is force and m is the mass of the object.

How does acceleration affect motion in the same direction?

It will increase the velocity of the the object in which the acceleration is applied.

How does the direction of the acceleration along determine if the object is speeding up or slowing down?

Take the component of the acceleration along the direction the object is moving. If this component is positive (the acceleration vector, or the relevant component, points in the same direction as the movement), then the object is speeding up.

Examples of force of friction that causes an object to accelerate?

Any frictional force can cause an object to accelerate, but the acceleration is always in the opposite direction of the direction of motion of the object. That is to say frictional forces can cause negative acceleration (or deceleration) of an object in motion.

What is the result of unbalanced forces acting on an object?

The result is acceleration of the object ... its speed of motion, or direction of motion, or both, change.

What is the cause of an acceleration or a change in an objects motion?

A force causes a change in acceleration of an object, F=ma.

How is motion related to acceleration?

Acceleration is one of the units with which motion is described. It's the rate at which the speed of an object changes, and the direction in which the speed changes.

What are Example of acceleration which is against direction of motion?

deceleration in a linear motion (braking during driving or an object thrown up while you are standing on on earth) --> the acceleration is pointing at an opposite direction than the motion. ============================

What is needed when describing motion?

object,place,force,direction,speed and acceleration

What does newtons first law of motion state about objects at rest and objects in motion?

Without force there is no acceleration and with no acceleration the velocity remains constant. When the constant velocity is zero the object is at rest.

Does an object moving in a circular motion experience acceleration or not?

Yes. Acceleration is change in velocity, and velocity is speed in a given direction. This means that if an object is changing direction then its velocity is changing, and therefore it is acceleration. (The part of the acceleration that deals with a change in direction and not speed is call centripetal acceleration)

How does acceleration affect an object's motion?

acceleration slows and speeds up an object's motion. acceleration is the application of force in any direction on an object. it can cause and object to turn also. acceleration is defined as the rate of which and object's velocity changes.

What is any change in the speed or direction of a moving object?

This is one definition of acceleration (including deceleration) - any change in the speed of motion of a moving object, or in the direction of its motion. Motion is a vector value with both speed and direction.

When does something accelerate in the direction opposite to its direction of motion?

If the object is speeding up, the acceleration is in the directionary of the velocity.

When an object slows down its acceleration is?

When an object slows down, its acceleration is negative (in a linear sense), or in a direction opposed to its motion (in a vector sense).

What do you call it when an objects velocity changes?

A change in an objects velocity is called acceleration. Velocity is defined as an objects speed of travel AND its direction of travel. Acceleration can change only an objects speed, only its direction or both. If there is no acceleration acting on the object, then the velocity remains constant.

A force acting on an object does no work if?

the force is not in the direction of the objects motion.

Can balanced forces change an objects motion?

No but it can move the direction of the object

Why does the acceleration of an object rolled down an incline increase as the angle of incline increases?

The contribution of the acceleration of gravity in the direction of motion increases as the angle of the incline increases. Or in other words, as the angle between the direction of motion and the force of gravity goes to zero, the acceleration of the object goes to the gravitational acceleration. a = g cos(theta) Where theta is the angle between the direction of motion and verticle, which is in fact (theta = 90 - angle of the incline)Where a is the acceleration of the object down the incline plane and g is the acceleration due to gravity. Theta is the angle between the direction of motion of the accelerating object and the acceleration of gravity. Initially, the angle between a and g is 90 degrees (no incline) and therefore g contributes nothing to the objects acceleration. a = g cos(90) = 0 As the angle of the inclined is increased, the angle between a and g approaches zero, at which point a = g. With no other forces acting upon the object, g is its maximum acceleration.

Why is uniform circular motion considered acceleration?

Acceleration is defined as the change in velocity divided by the time ora = (vf - vi)/tVelocity measures the speed and the direction of an object.In uniform circular motion, the object has the same speed but it is always changing direction and so, by the definition of acceleration, the object is considered accelerating. If this acceleration doesn't exist, the object would move in a straight line according to Newton's laws of motion.

How does an unbalanced and balance force affect an objects motion?

An Unbalanced force accelerates an object and a balanced force has no effect on an object.Balanced forces do not affect motion at all. An object with fully balanced forces does not change its velocity or start moving.Unbalanced forces (giving a resultant force) create acceleration or deceleration in a certain direction.an unbalanced force acting on an object will change the objects motion. a balanced force acting on an object will not change the objects motiontalinnn

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