A tool that is used to make work easier is called a _____ _____.
What is a SIMPLE MACHINE?
100
The unit used to measure force.
What is a NEWTON?
100
A simple machine that helps people cut or split things. Examples: ax, knife, scissors
What is a WEDGE?
200
Science term abbreviated as "N".
What is a NEWTON?
200
The unit used to measure work.
What is a JOULE?
200
A simple machine used to keep things held tight.
Examples: jar lid, water bottle cap, bolt.
What is a SCREW?
300
Science term abbreviated as "J".
What is a JOULE?
300
What is the formula for finding how much work was done?
Work = force X distance
300
A simple machine which can also be called a "ramp".
What is an INCLINED PLANE?
400
A push or pull on an object.
What is a FORCE?
400
A bodybuilder uses a 200 pound weight and tries to lift it to his shoulders but the weight doesn't move. How much work did he do?
NONE. There was no movement!
400
How is a screw similar to an inclined plane?
A screw is an inclined plane wrapped into a spiral.
500
The calculation of how much faster and easier a machine makes your work is called the ___________ __________.
What is MECHANICAL ADVANTAGE?
500
A kid throws a ball with a force of 30 Newtons for a distance of 5 meters. How much work did this kid do?
*Don't forget to answer with the unit used to measure work!
150 Joules.
500
Name all six simple machines.
Levers, wedges, screws, wheels and axles, pulleys and inclined planes.