Four weights are tied together and hung from the ceiling. What will be the tension
in the cord at the point labeled x? - ANS
60 lb
A series of four gears (W ,X,Y,Z) is driven by pulley V and a belt-if V turns in the
direction shown,which gears will rotate clockwise? - ANS
y, w
The illustration shows a water tank that is made of wood planks and reinforced
metal hoops. Why are the hoops closer together near the bottom of the tank? -
ANS
The water pressure pushing against the sides
of the tank is greater near the
bottom
A box sits on a smooth table.Three strings are attached to the box,each having a
weight of 10 lbs attached to the other end. The box will move in direction? - ANS
A
A spring will compress one inch for every 50 pounds of force that is applied to
it.How much force is needed to compress the same spring 10 inches? - ANS 5
00
lbs
Which gears will turn in the same direction as A? - ANS 2 and 3