A magic medallion is suspended from a string inside a compartment of Hogwarts Express which is running

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A magic medallion is suspended from a string inside a compartment of Hogwarts Express which is running straight westwards on horizontal tracks.

(a) Draw a free-free body diagram for the medallion if the train is moving at constant speed.

(b) Draw a free-body diagram for the medallion if the train is accelerating at a constant rate. Indicate acceleration and the direction of the net force.

(c) Calculate the angle the string makes with the vertical if the train accelerates at a constant rate from rest to 20 m/s in 10 seconds.

(d) If the mass of the medallion is doubled, how will the angle change?

Related Book For answer-question

College Physics

ISBN: 978-0321601834

7th edition

Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou

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Posted Date: Nov 12, 2018 09:17 AM

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A magic medallion is suspended from a string inside a compartment of Hogwarts Express which is running

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a Draw the free body diagram of the medallion when train moves with constant speed Here T is the ten... View the full answer

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