Forces and Newton's Laws
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Practical Investigation
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Learning Intentions
Calculate the net force on an object given the forces acting
Answer questions requiring an understanding of Newton's first law (the law of inertia)
Describe the difference between mass and weight (and calculate one from the other)
Answer questions requiring understanding that friction always acts in the opposite direction to motion and increases with the speed of the object
Answer questions requiring an undersanding of terminal speed
Answer questions requiring an understanding of Newton's second law (F = ma)
Solve problems involving force, mass and acceleration
Describe the action and reaction forces in any given situation
Draw the forces acting in any given system of bodies
Answer questions requiring an understanding of Newton's third law