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Push and pull indicate direction only, not size. A push is an application of force which causes something to move away from the source of the force. A pull causes something to move toward the source of the force.
In physics, a force is any influence that causes a free body to undergo a change in speed, a change in direction, or a change in shape.
In physics, a force is any influence that causes a free body to undergo a change in speed, a change in direction, or a change in shape.
gravity (up to down) friction
I think this question is not phrased very well. Any force can change objects velocity (speed+direction). If fact that is the definition of the force - F=ma any force, by definition itself, can change objects velocity. Maybe you meant what force can change objects direction of motion? In that case - any force that has a different direction (not the same as direction of motion) Any force can change an object's motion.
Push and pull indicate direction only, not size. A push is an application of force which causes something to move away from the source of the force. A pull causes something to move toward the source of the force.
A force.
In physics, a force is any influence that causes a free body to undergo a change in speed, a change in direction, or a change in shape.
In physics, a force is any influence that causes a free body to undergo a change in speed, a change in direction, or a change in shape.
Force is an external effort that makes something move, change direction, or change shape.
Force is an external effort that makes something move, change direction, or change shape.
In physics, a force is any influence that causes a free body to undergo a change in speed, a change in direction, or a change in shape.
In physics, a force is any influence that causes a free body to undergo a change in speed, a change in direction, or a change in shape.
gravity (up to down) friction
gravity (up to down) friction
I think this question is not phrased very well. Any force can change objects velocity (speed+direction). If fact that is the definition of the force - F=ma any force, by definition itself, can change objects velocity. Maybe you meant what force can change objects direction of motion? In that case - any force that has a different direction (not the same as direction of motion) Any force can change an object's motion.
A push, pull, or twist that can change the motion of an object