Physics, 11.12.2019 03:31 alexisolsennn4680
Aboy does 465 j of work pulling an empty wagon along level ground with a force of 111 n [31° below the horizontal]. a frictional force of 155 n opposes the motion and is actually slowing the wagon down from an initial high velocity. the distance the wagon travels is "
w = fdcosθ
465 j = (111 n)d(cos31°)
d = (465 j)/(111 n)(cos31°)
d = 4.89 m
where does the frictional force come in here? does it actually affect the distance travelled or does it just slow down the wagon?
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