A15 cm3 block of gold weighs 2.8 n. it is carefully submerged in a tank of mercury. one cm3 of mercury weighs 0.13 n.
a. will the mercury be displaced by the gold?
b. will the gold sink or float in the mercury?

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good

While carrying a heavy box up the stairs, you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.

Part of a control linkage for an airplane consists of a rigid member cb and a flexible cable ab. if a force is applied to the end b of the member and causes it to rotate by θ = 0.5°, determine the normal strain in the cable. originally the cable is unstretched.