This is the distance from the exact center of a wheel to the outside edge.
What is a radius?
100
What is the device that combines two or more simples machines working together?
What is a compound machine?
100
In this chapter, the example of the coumpound machine with the man lifting the piano was made up of these two types of machines...
What are a pulley and a wheel and axle?
100
This is the mechanical advantage of a movable pulley.
What is 2?
200
This is the type of pulley made up of a fixed and a movable pulley working together.
What is a block and tackle?
200
This is a simple machine that consists of two attached circular or cylindrical objects that rotate about a common axis, each one with a different radius.
What is a wheel and axle?
200
A screwdriver is an example of a _____________.
What is a wheel and axle?
200
This the math operation used to find the combined mechanical advantage of a compound machine...
What is multiplication?
200
Find the mechanical advantage of a screwdriver with a handle radius of 2 cm and a shaft radius of 0.5 cm.
What is 4?
300
There are this many types of pulleys.
What is three?
300
This is the math operation you would use to determine the mechanical advantage of a wheel and axle.
What is division?
300
This is the mechanical advantage of a pencil sharpener made from a wheel and axle with a M.A. of 5 and a wedge with a M.A. of 3.
What is 15?
300
In the text, this was the object used as an example of a compund machine made of a wedge, wheel and axle and a screw.
What is an apple peeler?
300
The greater the ratio of the wheel radius to the axle radius, the greater the ___________.
What is advantage?
400
This type of pulley can be moved around to help you work in different locations.
What is a movable pulley?
400
The radius of the wheel is divided by the radius of the __________ in order to get the mechanical advantage of a wheel and axle?
What is the axle?
400
This is a type of object found at the ocean where you might expect to find a pulley being used.
What is a boat or sailboat?
400
This is why you may want to use a compound machine...
What is to benefit from the combined mechanical advantage of the multiple machines working together at the same time?
400
You exert a force of 200 N on a pulley system to lift 400 N. This is the mechanical advantage of that system....and this is the number of ropes in the pulley.
What are 2 and 2?
500
This is how you determine the mechanical advantage of the three types of pulleys?
What is the number of ropes that support the object being lifted?
500
The object, in a wheel and axle, with the larger radius is always the _____________.
What is the wheel?
500
This is the Mechanical Advantage of a fixed pulley.
What is one?
500
Within a compound machine, the output force of one simple machine becomes the _____________ force of another simple machine.
What is input force?
500
The individual mechanical advantages of three machines in a compound machine are 6, 2, and 3. This is the combined mechanical advantage of that compound machine...