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What is one way a simple machine can help make work easier?
a door stop
Machines increase the net force needed to do the work
go-cart
a car
It can change the direction of the force needed to do the work.
bicycle
wheel barrel
it has an inclined plane wrapped around it
How can machines make work easier to do?
a door stop
Machines increase the net force needed to do the work
go-cart
a car
It can change the direction of the force needed to do the work.
bicycle
wheel barrel
it has an inclined plane wrapped around it
Which complex machine uses mainly human force to operate the simple machines in it?
a door stop
Machines increase the net force needed to do the work
go-cart
a car
It can change the direction of the force needed to do the work.
bicycle
wheel barrel
it has an inclined plane wrapped around it
Why is a screw considered a simple machine?
a door stop
Machines increase the net force needed to do the work
go-cart
a car
It can change the direction of the force needed to do the work.
bicycle
wheel barrel
it has an inclined plane wrapped around it
Which of the following is a type of simple machine?
a door stop
Machines increase the net force needed to do the work
go-cart
a car
It can change the direction of the force needed to do the work.
bicycle
wheel barrel
it has an inclined plane wrapped around it
Which of the following is an example of a lever?
a door stop
Machines increase the net force needed to do the work
go-cart
a car
It can change the direction of the force needed to do the work.
bicycle
wheel barrel
it has an inclined plane wrapped around it
Which of the following is an example of a complex machine?
a door stop
Machines increase the net force needed to do the work
go-cart
a car
It can change the direction of the force needed to do the work.
bicycle
wheel barrel
it has an inclined plane wrapped around it
Which of the following is an example of a wedge?
a door stop
Machines increase the net force needed to do the work
go-cart
a car
It can change the direction of the force needed to do the work.
bicycle
wheel barrel
it has an inclined plane wrapped around it
Check it!