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  • How Unbalanced Forces Cause Acceleration: Speed and Direction
    Unbalanced forces can make an object accelerate by changing its speed, direction, or both.

    Here's a breakdown:

    * Speed: If the net force is in the same direction as the object's motion, the object will speed up. If the net force is in the opposite direction, the object will slow down.

    * Direction: If the net force acts at an angle to the object's motion, the object will change direction. This could be a curve, a turn, or a combination of both.

    Key Concept:

    Newton's Second Law of Motion states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This means:

    * Larger net force = Larger acceleration

    * Larger mass = Smaller acceleration

    Example:

    Imagine pushing a box across a floor.

    * Unbalanced Force: You are applying a force in the direction of motion.

    * Acceleration: The box speeds up.

    If you stop pushing, the box will eventually come to rest due to the opposing force of friction.

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