| Pulley | Incline Plane | Wedge | Wheel and Axel | Lever |
| 10 | 10 | 10 | 10 | 10 |
| 20 | 20 | 20 | 20 | 20 |
| 30 | 30 | 30 | 30 | 30 |
| 40 | 40 | 40 | 40 | 40 |
| 50 | 50 | 50 | 50 | 50 |
| Final Question | ||||
The fixed point at which a lever turns is called _________________.
The fixed point at which a lever turns is called _________________.
fulcrum
A pulley system that contains both fixed and movable pulleys is called a _________________.
A pulley system that contains both fixed and movable pulleys is called a _________________.
block and tackle
The mechanical advantage of a LEVER with a effort arm of 100 cm and a resistance arm of 10 cm is __________________.
The mechanical advantage of a LEVER with a effort arm of 100 cm and a resistance arm of 10 cm is __________________.
10
The mechanical advantage of a fixed pulley is always equal to __________.
The mechanical advantage of a fixed pulley is always equal to __________.
1
In order to make work easier, change the _________, __________, or __________ of the force.
In order to make work easier, change the _________, __________, or __________ of the force.
size, direction or speed
The mechanical advantage of an incline plane with a height of 5 meters and a length of 25 meters is ______________.
The mechanical advantage of an incline plane with a height of 5 meters and a length of 25 meters is ______________.
5
The wheels and pedals on a bicycle are examples which simple machine?
The wheels and pedals on a bicycle are examples which simple machine?
wheel and axel
A knife blade, an axe and a nail are all examples of a __________.
A knife blade, an axe and a nail are all examples of a __________.
wedge
A machine that consists of two or more simple machines is called _____________ _________.
A machine that consists of two or more simple machines is called _____________ _________.
compound machine
The work done by a machine is called ____________ ____________.
The work done by a machine is called ____________ ____________.
work output
A force that opposes the effort force is called the _____________ __________.
A force that opposes the effort force is called the _____________ __________.
resistance force
The pulley that increases the size of the effort force is a ___________ _____________.
The pulley that increases the size of the effort force is a ___________ _____________.
movable pulley
These two parts act as one simple machine. They roll and are found on cars, bikes and wheelbarrows.
These two parts act as one simple machine. They roll and are found on cars, bikes and wheelbarrows.
wheel and axel
A rope, a wheel with a groove in it and a weight make up this simple machine. You can pull down on the rope to lift the weight.
A rope, a wheel with a groove in it and a weight make up this simple machine. You can pull down on the rope to lift the weight.
pulley
This simple machine can be used to lift a weight. It has a fulcrum, or pivot point, which can be located in the center, near the end or at the end of this simple machine.
This simple machine can be used to lift a weight. It has a fulcrum, or pivot point, which can be located in the center, near the end or at the end of this simple machine.
Lever
These simple machines are wheels with teeth on them that fit together when the simple machines are turned. These simple machines are used to increase or decrease turning power by changing their size.
These simple machines are wheels with teeth on them that fit together when the simple machines are turned. These simple machines are used to increase or decrease turning power by changing their size.
gear
This simple machine can be used to split things apart or hold doors open.
This simple machine can be used to split things apart or hold doors open.
wedge
Examples of this simple machine are used to hold things together. It is made up of an incline plane wrapped around a cylinder.
Examples of this simple machine are used to hold things together. It is made up of an incline plane wrapped around a cylinder.
screw
A heavy object could be rolled up this simple machine, instead of lifting it straight up. Using this simple machine can save effort, although the object must usually cover more distance if this simple machine is used.
A heavy object could be rolled up this simple machine, instead of lifting it straight up. Using this simple machine can save effort, although the object must usually cover more distance if this simple machine is used.
incline plane
This is an example of which simple machine. 
This is an example of which simple machine.
incline plane
This is an example of which simple machine. 
This is an example of which simple machine.
screw
This is an example of which simple machine. 
This is an example of which simple machine.
pulley
This is an example of which simple machine. 
This is an example of which simple machine.
Lever
This is an example of which incline plane. 
This is an example of which incline plane.
wedge
This is an example of which simple machine.
This is an example of which simple machine.
wheel and axel
What is the mechanical advantage of this pulley system at the front of the room?
What is the mechanical advantage of this pulley system at the front of the room?
5
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