1. A spiral inclined piane.
a. Wedge
b. Screw
C. Inclined Plane
d. Lever
2. A straight or curved rigid bar that is free to turn about a fixed point.
a. Lever
b. Pulley
c. Screw
d. Wedge
3. Devices that make your everyday task easier.
a. televisions
b. clock
c. fan
d. utensiis
e. machines
4. It is made up of a combination of two or more fixed and movable pulleys.
a. Fixed pulley
b. Movable pulley
C. Compound pulley
d. fulcrum
5. Which tool below is an example of class 2 lever?
a. Scissor
b. fishing rod
c. wheelbarrow
d. stairs
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