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Name that key term
Simple Machines
Forces
Let's get down to Work
What's the advantage?
100
a device that requires a single force to work; made of only one or two parts
What is a simple machine.
100
A ladder, a step stool and a ramp are all examples of this simple machine.
What is an inclined plane.
100
Ligthning, static cling and static electricity are all examples of this force.
What is electrical force.
100
How do you calculate work?
What is force (F) multiplied by distance (d).
100
How do you calculate the mechanical advantage of a wheel and axle?
What is input distance of wheel divided by output distance of axle.
200
The result when a force moves an object a certain distance
What is work.
200
scissors, zippers and a knife are all examples of this simple machine.
What is a wedge.
200
Twisting a top, wringing out a dishcloth and turning a doorknob are all examples of this type of force.
What is rotational force.
200
What is the unit of measure for "force"
What is Newtons (N).
200
Determine the mechanical advantage of a class 2 lever with 20 m between the fulcrum and the effort, and 5 m between the fulcum and the load.
What is 20 m divided by 5 m = 4 m
300
the ratio of output force to input force
What is mechanical advantage (MA).
300
How many parts are there in a simple machine?
What is one or two parts.
300
A slapshot, throwing a punch and hurricanes are all examples of this type of force.
What is mechanical force.
300
What is the unit of measure of "work".
What is Joules (J).
300
You use a pulley system to lift a piano into the second floor of your home. For every 4 m of rope you pull, the piano is lifted 1 m high. What is the mechanical advantage of this pulley system?
What is 4 m divided by 1 m = 4.
400
the mechanical advantage of a machine in real-world situations.
What is ACTUAL mechanical advantage.
400
Name all six simple machines.
What is an inclined plane, wedge, screw, lever, wheel and axle and pulley.
400
Identify two forces involved in riding a bicycle.
What is gravitational force (gravity), mechanical force (muscular force to move the pedals and steer), frictional force (force of resistance between the tires and the road), rotational force (turning of the pedals).
400
It took 50 Joules to push a crate 2 metres. With what force was the crate pushed?
What is 50 J divided by 2 m = 25 Newtons.
400
Identify one thing actual mechanical advantage takes into account, that mechanical advantage does not.
What is friction, slippage and distortion.
500
Final Jeopardy: Define a system.
What is a group of parts that work together to perform a task.