Newton’s 3rd Law of Motion Notes

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Newton’s 3rd Law of Motion Notes

Forces are interactions between matter Forces are interactions between matter. These interactions form a SYSTEM. Forces can interact with matter in two ways: 1.Forces that act at a distance 2.Forces that act when objects touch

Can you give an example of types of forces that fit into each category?

Forces that act at a distance: Gravity Electricity

Forces that act where surfaces touch Friction Pushing Bouncing Deforming (changing Shape)

Newton noticed what you have noticed- that when force is applied in one direction, there is movement in the opposite direction. He quantified these ACTION and REACTION behaviors and stated them as his third law of motion.

Newton’s Third Law of Motion For every action there is and EQUAL and OPPOSITE reaction.

Forces come in Action/Reaction Pairs An action like pushing on a wall causes you to experience a force that pushes you in the opposite direction the same amount that you pushed in the first place. This is more noticeable if you are wearing roller skates.

Can you find the ACTION/REACTION pairs in these systems? Table 1: water droplet Table 2: Ball in face Table 3: Gun recoil Table 4: Dancer leaping Table 5: Rocket taking off Table 6: Ball bouncing

Make an OEQ in your notebook titled, “Astronaut in space OEQ”