The Falkirk Wheel is a giant Ferris-wheel-elevator for boats. You are the traffic controller of the wheel and in charge of boat traffic flow through the channel. However, you notice that up on the top of the wheel there was a traffic jam and you have let 4 boats use the wheel to be lifted up to the top channel since then. There are now 5 boats sitting up on the bridge. No one is in danger as far as you can tell, but your boss comes running out screaming "There is too much weight" What do you tell him to calm him down and prove him wrong, earning a promotion to his position of facility manager?

You and a friend (alex) are at a a tree-top adventure park .. . part of the course requires you to climb up a rope. you both climb the same rope in the same amount of time. however, the tension in the rope is greater when alex climbs. who did the most work? alex did - more tension means more force - more force means more work was done you did - less tension means less force - less force means more work was done to find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? when more work was done, the couch was moved less. when more work was done, the couch was moved further. when more work was done, the couch wasn't moved at all. when more work was done, the couch was moved the same distance.

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.