Homework Statement
You are going to examine the viscosity of a fluid by dropping a ball bearing into a
cylinder of fluid and measuring the fall time. You will use a ruler to measure the
height, h, of the fluid column, and a stop watch to measure the fall time, t. The ruler
and stop watch...
Homework Statement
A bird sits in a birdfeeder suspended from a tree by a wire, as shown in the diagram below.
Let WB and WF be the weight of the bird and the feeder respectively. Let T be the tension in the wire and N be the normal force between the bird and the feeder. Which of the...