Simple machine is a type of mechanical device that makes the work easier by means of reducing the effort and force needed to make the job done. Simple can vary into 6 types and they are the following:
Inclined plane- It is a flat surface tilted at an angle which makes it easier to lift something with heavy loads. Some examples are: Wheelchair ramp and sloping roads.
Lever - a bar or rod that pivots on a fixed point called the fulcrum. It is used to cut or move objects. Example: Scissors
Screw - a special type of simple machine in which the threads is wrapped spirally on its pole. It is used to holds things together.
Wedge - A type of simple machine that is used to seperate material by means of cutting, spliting, or piercing. Example: Axe
Pulley - A simple machine which is consist of wheels and rope that moves the objects up, down, and across a distance.
Wheel and axle - Consists of circular disk (wheel) that is attached to a central rod. Example: Doorknob
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1.)These are questions answered with informational responses. a. Yes No b. WH C. Alternative d. True-False
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2. )These are questions that offered a choice between several alternatives. a. WH b. True False c. Yes-No d. Alternative
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3.)These are questions that begin with modals, be forms, do forms, or have forms. a. True-False b. Alternative C. WH d. Yes No
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Answers:
Part 1:
1. Inclined plane
2. Lever
3. Screw
4. Wedge
5. Pulley
6. Wheel and axle
Simple machine is a type of mechanical device that makes the work easier by means of reducing the effort and force needed to make the job done. Simple can vary into 6 types and they are the following:
a. Yes No
b. WH
C. Alternative
d. True-False
a. WH
b. True False c. Yes-No
d. Alternative
a. True-False b. Alternative C. WH
d. Yes No