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Physics A (PH1012) OA06a Torque- Equilibrium- Work- Energy

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Sandra Watson
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Nanyang Technological University

Physics A (PH1012)

an extended object is in static equilibrium if __________.

Part A
An extended object is in static equilibrium if __________.

Part B
Which of the following objects is in static equilibrium?

Part C
Two children want to balance horizontally on a seesaw. The first child is sitting one meter to the left of the pivot point
located at the center of mass of the seesaw. The second child has onehalf
the mass of the first child. Where should
the second child sit to balance the seesaw?

Part A
Where should the pivot be placed so that the board is balanced, ignoring the board’s mass?

Part B
Find the pivot point if the board is uniform and has a mass of 15 .

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Physics A (PH1012) OA06a Torque- Equilibrium- Work- Energy

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