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Phy 121
Your 'cq_1_26.1' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
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A simple pendulum has length 2 meters. It is pulled back 10 cm from its equilibrium position and released. The tension in the string is 5 Newtons.
Sketch the system with the pendulum mass at the origin and the x axis horizontal.
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Sketch a vector representing the direction of the pendulum string at this instant. As measured from a horizontal x axis, what is the direction of this vector? (Hint: The y component of this vector is practically the same as the length; you are given distance of the pullback in the x direction. So you know the x and y components of the vector.)
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What is the direction of the tension force exerted on the mass?
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The opposite direction.
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What therefore are the horizontal and vertical components of the tension?
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Meters and cm
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What therefore is the weight of the pendulum, and what it its mass?
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? I dont know how to figure out the weight and mass with these components.
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What is its acceleration at this instant?
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9.8m/s^2
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Solution
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