sci 7

• force - is a push and pull
• balanced force - forces that are equal in magnitude and opposite in direction
• net force - is the sum total of all the forces acting on an object
• force - can cause a change in shape, position, or motion of an object
• force can be measured using a spring balance
• newton (N) - the SI unit of force
• dyne - is the forces needed to accelerate a one-gram object by one centimeter per second squared