Physics, 14.10.2019 23:30 ejohnstonee111
Your friend is on rollerblades holding a pendulum. you gently push her forward and let go. you observe that the pendulum first swings in the opposite direction (backward) and then returns to the vertical orientation as she coasts forward.
part a
choose the correct force diagram of the pendulum bob (in inertial reference flame) as your friend is being pushed. y-direction is the vertical direction.
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