An coin is dropped vertically from the water surface in a swimming pool, water drag force is non negligible. The coin travels downward a vertical distance of 1.0 m, with approximately constant speed. The work done by drag force on the coin could either be positive or negative. is positive. O is zero. is negative.

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An coin is dropped vertically from the water surface in a swimming pool, water drag
force is non negligible. The coin travels downward a vertical distance of 1.0 m, with
approximately constant speed. The work done by drag force on the coin
could either be positive or negative.
is positive.
is zero.
is negative.
Transcribed Image Text:An coin is dropped vertically from the water surface in a swimming pool, water drag force is non negligible. The coin travels downward a vertical distance of 1.0 m, with approximately constant speed. The work done by drag force on the coin could either be positive or negative. is positive. is zero. is negative.
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