SAMPLE LESSONS > A LEVEL DYNAMICS
NEWTON’S 1ST LAW
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WORKED EXAMPLES
EASY 1
A parachutist of mass 80 kg descends vertically at a constant velocity of 3.0 m s-1.
What is the net force acting on him?
Answer
EASY 2
Is it possible to have forces acting on an object in the absence of motion of the object?
Give an example.
Answer
EASY 3
A person standing on a bus is thrown towards the rear of the bus at it begins to move, and to the front as it slows down. Explain.
Answer
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