5.Which type of simple machine is composed of a long inclined plane wrapped around a shaft.?

a. Screw
b. Wedge
c. Lever
d. Pulley

6.Which type of simple machine is as long beam or bar that rests or turns or lifts on support?

a.Screw
b.wedge
c.lever
d.pulley

7.in a ____ class lever,the fulcrum is located between the fulcrum and effort.

a.First
b.Second
c.Third
d.Fourth

8.In a ____class lever,the load is located between the fulcrum and load.

a.First
b.Second
c.Third
d.fourth​