Vocabulary
A device that either multiplies or redirects force
What is a simple machine
An experiment to find a better gasoline mixture for automobiles
What is applied science
Scissors are an example of two levers put together. Which class of levers belong?
What is first class levers
A block and tackle uses two pulleys. What is the mechanical advantage?
What is two
A push or pull exerted on an object in an effort to change that object's velocity
What is force
A gun for hunting bears
What is technology
A wagon is an example of
What is wheel and axle
If a third class lever has a mechanical advantage of 5, what does that mean?
What is speed at which resistance moves will be magnified by 5
The amount by which force or motion is magnified in a simple machine
What is mechanical advantage
An experiment to determine how to reduce pollutants produced by automobiles
What is applied science
A zipline is an example
What is pulley
Wheel and axle system has a diamenter of 20 inches (wheel) and a diameter of 2 inches (axle)
What is 10
The length of a straight line that travels from one side of a circle to another and passes through the center of the circle
What is diameter
A spray that, when sprayed around a campsite, keeps bears away
What is technology
A door stop is an example of
What is a wedge
Wedge slope is 10 inches and height is 2 inches
What is mechanical advantage 5
The distance around a circle, equal to 3.1416 times the circle's diameter
What is circumference
A bottle cap is an example
What is a screw