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To describe the velocity of an object, you need to know its speed (magnitude of velocity), direction of motion, and reference point for measuring the motion.

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What must you have in a problem to adequately describe velocity?

Describe three situations in which a force changes the velocity of an object?


What are three things that can be caused by an unbalanced force?

Three things that can be caused by an unbalanced force are acceleration of an object, change in velocity of an object, and deformation or breakage of the object.


What three things affect an object's motion?

The three things that affect an object's motion are its initial velocity, the forces acting upon it, and the object's mass. These factors determine how an object moves and experiences acceleration or deceleration.


In science what three things are necessary to describe the position of an object?

In science, the three things necessary to describe the position of an object are distance from a reference point, direction from the reference point, and a reference point itself.


What are three things that describe acceleration?

Acceleration is the rate of change of velocity over time. It is a vector quantity, meaning it has both magnitude and direction. It can be positive, negative, or zero, indicating an increase, decrease, or no change in velocity. Acceleration is caused by a force acting on an object.


What does velocity tell?

Velocity is a vector quantity that indicates the rate at which an object changes its position. It tells us both the speed of the object and the direction in which it is moving. It is often used to describe motion in one, two, or three dimensions.


What 2 things must you know to descriobe the motion of an object?

If movement is in two dimensions: the x-coordinate of the velocity, and the y-coordinate of the velocity. Or alternatively: the magnitude of the velocity, and the direction. If movement is in three dimensions, you need to know three things, for example, x-coordinate, y-coordinate, and z-coordinate of the velocity, or magnitude of the velocity and two components of direction.


When two forces act on an object what three things can change?

There are more than three possible changes. Some of them are:The object is crushed.The object is stretched.The object undergoes a shear distortion.Nothing happens: the object is more resistant than the forces acting on it.


What three things must you know to describe the position of an object?

To describe the position of an object, you must know its distance from a reference point, its direction from the reference point, and its location relative to other nearby objects.


What are three things can happen if a force is applied to an object?

The object may accelerate in the direction of the force. The object may deform or change shape if the force is strong enough. The object may experience a change in velocity or direction of motion.


Why are velocity and acceleration both vectors?

Velocity and acceleration are both vectors because they have both magnitude and direction. Velocity is the rate of change of an object's position, while acceleration is the rate of change of an object's velocity. The direction of the velocity vector indicates the direction in which the object is moving, while the direction of the acceleration vector indicates the direction in which the velocity is changing.


What are three ways in which the velocity of object may change when the forces of the object balanced?

The object may maintain a constant velocity if the forces acting on it are balanced. If an external force is applied, the velocity may increase or decrease, depending on the direction of the force compared to the initial velocity. In the absence of external forces, the object's velocity will remain unchanged.