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How many simple machines are needed to make a compound machine?
6 simple machines.
A combination of simple machines is what kind of machine?
a compound machine is a combination of simple machines
Why is the mechanical efficiency of most compound machines lower than most simple machines?
It is lower because compound machines have more moving parts that a simple machine does.
Why is a screw a simple machine and not a compound machine?
Compound machines are things that are made up of 1 or more simple machines. A screw isn't made up of any simple machines unless you count the screw as a simple machine.
When two or more simple machines work together they are called?
When simple machines work together, that forms a compound machine.
What do simple and compound machines do?
Whatsimple and compound machines do astronauts use?
How many simple machines are needed to make a compound machines?
6 simple machines.
What compound machines has 4 simple machines?
A drill
What simple and compound machines do astronauts use?
Whatsimple and compound machines do astronauts use?
How many simple machines are needed to make a compound machine?
6 simple machines.
A combination of simple machines is what kind of machine?
a compound machine is a combination of simple machines
How many simple machines are to make to make a compound machine?
6 simple machines.
what is a compound machine?
A compound machine is a machine that consists of more than one simple machine. Some compound machines consist of just two simple machines. You can read below about two examples—the wheelbarrow and corkscrew. Other compound machines, such as bicycles, consist of many simple machines.
What best compares simple machines with compound machines?
nothing
Why is the mechanical efficiency of most compound machines lower than most simple machines?
It is lower because compound machines have more moving parts that a simple machine does.
Where can you get pictures of simple machines?
google images
Why is a screw a simple machine and not a compound machine?
Compound machines are things that are made up of 1 or more simple machines. A screw isn't made up of any simple machines unless you count the screw as a simple machine.
