An object’s position or movement can be changed by pushing or pulling.
Understand and apply knowledge of the positions and motions of objects.
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Changes in speed or direction of motion are caused by forces. The greater the force, the greater the change in motion. The more massive an object, the less effect a given force will have in changing its motion.
Plan and conduct an investigation to provide evidence of the effects of balanced and unbalanced forces on the motion of an object.