Show:
early years
Advantages combined
definitions
mining
100
These are the 3 things that used in the past for moving coal
What are hands wheel carts and horses?
100
This is the advantage of a fixed pulley and inclined plane
What is less effort
100
this is a yellow and green machine that can lift and remove/harvest a tree.
What is a feller buncher
100
what is a common compound machine used in the past to dig.
What is a shovel?
200
These are 4 things used to lift coal in the past
What is wheel carts, shovels, pickaxes, and human power
200
This is the advantage of a first class lever and wedge combined
What is changing the direction of your force
200
this is a machine that is made up of 2 or more simple machines.
What is a compound machine
200
this is a compound machine used to carry coal in the past that has a wheel and axle.
What is a wheeled cart
300
these are the 3 things used to load coal in the past
What are shovels, hand and wheel carts
300
This is the 2 advantages of a fixed pulley and moving with a wheel and axle.
What is changing the direction of your force and a small turn of an axle a big turn of the wheel
300
this is a machine that have 2 or more simple machines that you use often
What is a common compound machine
400
These are the 3 things that have changed over time to machines
What is easier, less effort, and advanced
400
The mechanical advantage of this is a small turn of a axle makes a bigger turn of the wheel and change direction of your force
What is the mechanical advantages of a feller buncher
400
This is a moving object that could move coal from a long distance.
What is a conveyer belt
500
This is the certain thing that has helped changed over time to machines?
What is advanced
500
The mechanical advantage is wheel and axles and moving with a inclined plane together
What is the 2 mechanical advantage for conveyor belt
500
this is a type of vehicle that is used to lift and move logs
What is a truck?