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Yes, force is necessary to change any motion of an object. The force can, for example be gravity or friction. Without these two factors, an object would continue moving in its original velocity (speed and direction) in eternity.

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When an object has had its shape or direction of motion changed it has been acted on by a?

force. A force is a push or pull that can cause an object to move, change speed, or change direction. It is necessary to change the state of motion of an object.


What type of force can cause a change an objects speed direction or both?

gravitey


If an object is moving at a constant speed in one direction what is needed to change its speed or direction?

To change the speed or direction of an object moving at a constant speed, a force must be applied in the opposite direction of its motion to slow it down and a force must be applied in the desired direction of its new path to change its direction. The magnitude and direction of the force will determine how much the speed or direction changes.


What is needed to change its speed or direction?

Force


How does an unbalanced force change speed and direct an object?

An unbalanced force acting on an object can change its speed and direction. If the force is greater than the opposing forces, such as friction or air resistance, the object will accelerate in the direction of the force. The greater the unbalanced force, the greater the change in speed and direction of the object.


A change in speed or direction?

A change in speed or direction is caused by a force and is called acceleration.


What is an force that can cause an object to change its speed and direction.?

A basic physics answer for this is that a net force (or unbalanced force) will cause an object to accelerate, that is, cause the object to change its speed and/or direction.


How can an object change speed or direction?

Gravitational Force


Can a unbalanced force change an objects motion?

Yes, an unbalanced force can change an object's motion by causing it to accelerate or decelerate in the direction of the force. It can also change the object's direction or speed depending on the magnitude and direction of the force applied.


What must happen for an object that is already moving to change its speed or direction?

For an object to change its speed or direction, a force must be applied to it. The magnitude and direction of the force will determine how the object's speed or direction changes. This change in motion is described by Newton's laws of motion.


A ..is required to change the speed and direction of a moving body?

Force. Change in speed and direction is change in velocity. Change is velocity is called acceleration a=F/m.. The amount of change is the amount of acceleration and that depends inversely on the mass and directly on the force.


Which of these would change the direction of an object but not affect the object's speed?

Changing an object's direction without affecting speed requires a force that acts perpendicular to the object's velocity, such as centripetal force or gravitational force. This force causes the object to change direction while continuing at a constant speed. Other forces acting parallel to the object's velocity can change its speed as well as its direction.