If you push directly on the handle of a closed door and it does not swing open, then
A. the net torque on the door must be zero.
B. the lever arm must be very small.
C. its rotational inertia must be much larger than your torque.
D. the angular momentum of the door is larger than your force.
Answer: A
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A 360-g metal container, insulated on the outside, holds 180.0 g of water in thermal equilibrium at 22.0°C. A 24.0-g ice cube, at the melting point, is dropped into the water,
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What will be an ideal response?
For all paths of Earth satellites, one focus of the path is
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