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Creating a Homemade Pulley: A Step-by-Step Guide, Study notes of Construction

University of Central Florida (UCF)Construction

Learn how to make a simple pulley using a toilet paper roll, construction paper, a cup, and yarn. Understand the principles of pulleys and their types, including fixed, moveable, and compound pulleys.

Typology: Study notes

2021/2022

Uploaded on 09/27/2022

alfred67
alfred67 🇺🇸

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INSTRUCTIONS:
STEP 1:
Using construction paper, cut two circles that are slightly
larger than the diameter of the toilet paper roll.
STEP 2:
Put a hole in the center of each of the circles and glue them
onto both ends of the toilet paper roll to create a homemade
spool to act as the wheel on the pulley.
STEP 3:
Place a hole on both sides of the cup near the rim.
STEP 4:
Thread the yarn through the two holes and tie them to secure
the cup in place on the string.
STEP 5:
Wrap the other end of the yarn several times around your
toilet paper roll leaving about a foot of yarn hanging down.
STEP 6:
Put the pencil through the holes made in step 2.
STEP 7:
Secure the pencil and wheel to something so it will hang.
Then pull down on the string that is not holding the cup. It
should pull up your cup!
SUPPLIES N E E D E D
Toilet pap e r r o l l
Yarn
Glue or ta p e
Pencil
Constructi o n p a p e r
Scissors
Small disp o s a b l e c up
Hole punch
Pulley
pf3
pf4
pf5

Partial preview of the text

Download Creating a Homemade Pulley: A Step-by-Step Guide and more Study notes Construction in PDF only on Docsity!

I N S T R U C T I O N S : S T E P 1 : U s i n g c o n s t r u c t i o n p a p e r , c u t t w o c i r c l e s t h a t a r e s l i g h t l y l a r g e r t h a n t h e d i a m e t e r o f t h e t o i l e t p a p e r r o l l. S T E P 2 : P u t a h o l e i n t h e c e n t e r o f e a c h o f t h e c i r c l e s a n d g l u e t h e m o n t o b o t h e n d s o f t h e t o i l e t p a p e r r o l l t o c r e a t e a h o m e m a d e s p o o l t o a c t a s t h e w h e e l o n t h e p u l l e y. S T E P 3 : P l a c e a h o l e o n b o t h s i d e s o f t h e c u p n e a r t h e r i m. S T E P 4 : T h r e a d t h e y a r n t h r o u g h t h e t w o h o l e s a n d t i e t h e m t o s e c u r e t h e c u p i n p l a c e o n t h e s t r i n g. S T E P 5 : W r a p t h e o t h e r e n d o f t h e y a r n s e v e r a l t i m e s a r o u n d y o u r t o i l e t p a p e r r o l l l e a v i n g a b o u t a f o o t o f y a r n h a n g i n g d o w n. S T E P 6 : P u t t h e p e n c i l t h r o u g h t h e h o l e s m a d e i n s t e p 2. S T E P 7 : S e c u r e t h e p e n c i l a n d w h e e l t o s o m e t h i n g s o i t w i l l h a n g. T h e n p u l l d o w n o n t h e s t r i n g t h a t i s n o t h o l d i n g t h e c u p. I t s h o u l d p u l l u p y o u r c u p! S U P P L I E S N E E D E D T o i l e t p a p e r r o l l Y a r n G l u e o r t a p e P e n c i l C o n s t r u c t i o n p a p e r S c i s s o r s S m a l l d i s p o s a b l e c u p H o l e p u n c h

Pulley

Pulley: A pulley is a grooved wheel with a rope or chain wrapped around it. The grooved wheel is called a sheave or drum. The sheave keeps the rope in place on the pulley. How do pulleys work? Pulleys are used to lift or lower heavy objects. One end of a rope is tied to a heavy object or load. When the other end of the rope is pulled, the downward force rotates the wheel and pulls the load upwards.

Pulley

Write the name of the simple machine that is associated with each item.

Inclined Plane Wedge Screw Pulley Wheel and Axle

Simple Machines

Lever

Write the name of the simple machine that is associated with each item.

Inclined Plane Wedge Screw Pulley Wheel and Axle

Simple Machines

Inclined Plane Wheel and Axle Screw Inclined Plane Screw Wheel and Axle Pulley Lever Lever Lever