Question 4 a. A corn sheller moving at 30 kmh -- accelerates to a speed of 45 km - in 23 s. Find
the distance travelled in meters during the period of acceleration.
b. List the Four (4) mechanical properties of materials concerned with its behaviour under
the action of external forces and explain any two.
c. What is the classification of the two main types of wood?​

A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-n·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.