A wheel barrow is used to lift a 150 lb load. The length from the wheel axle to the center of the load is 2 ft. The length from the wheel and axle to the effort is 6 ft. a. What is the ideal mechanical advantage of the system? b. Using static equilibrium calculations, calculate the effort force needed to overcome the resistance force in the system.

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.