250 N T
Q
5 kg
T1
P
20 kg
State Newton's Second Law of Motion in words.
2.1
Draw a labelled free-body diagram indicating ALL the forces acting
2.2
5 kg block.
Calculate the magnitude of the tension T, in string P.
2.3
Calculate the magnitude of the tension T1

Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface