Friction slows things down
Friction can stop an object in motion eventually. Friction causes drag on the object's motion energy and slows the object down by transferring the energy from one type to another. When the energy which acted on the object to put the object in motion is fully transferred, the object's motion will stop in the direction the motion and friction are applied. An example of this type of friction is the brake on a car. Friction can, however cause the object to change the direction of motion and simply stop affecting the object afterward. An example of this type of friction is the bumper rail of a pool table.
Balanced forces that net to zero cause no change in an object motion.
Force
Yes, forces can change an object's motion. When a force is applied to an object, it can cause the object to accelerate, decelerate, or change direction. The change in motion is determined by the magnitude and direction of the force applied.
ANY net force on the object does.
Friction can stop an object in motion eventually. Friction causes drag on the object's motion energy and slows the object down by transferring the energy from one type to another. When the energy which acted on the object to put the object in motion is fully transferred, the object's motion will stop in the direction the motion and friction are applied. An example of this type of friction is the brake on a car. Friction can, however cause the object to change the direction of motion and simply stop affecting the object afterward. An example of this type of friction is the bumper rail of a pool table.
Balanced forces that net to zero cause no change in an object motion.
Force
Regardless of what the object is doing before the change, the only thing that can change its motion is force.
Yes, forces can change an object's motion. When a force is applied to an object, it can cause the object to accelerate, decelerate, or change direction. The change in motion is determined by the magnitude and direction of the force applied.
ANY net force on the object does.
Balanced forces that net to zero cause no change in an object motion.
Balanced forces that net to zero cause no change in an object motion.
Take the invention known as a brake. It stops motion. Because friction causes drag, putting friction on one side of a moving object and not on another will cause the object to veer towards the side with friction. That is the principal behind the rudder used in boats.
Acceleration is a change in the speed of an object (contrary to popular belief - acceleration ban be an increase or decrease in speed). Velocity of an object only changes when acted on by an external force like a push, friction or other force. Objects in motion stay in motion until acted on by an external force
friction causes the object in motion to slow down and finally stop. The natural condition of an object that is in motion is to stay in motion. Only friction (the object in contact with another object at rest) will cause the object in motion to lose its motion.
Not exactly. 'Motion' or 'change of motion' are not force. But the only way to change an object's motion is to cause the group of forces on it to be unbalanced. If the object's motion is changing, then you can be sure that the group of forces acting on it is unbalanced.