6 Simple Machines in 5!
Work or Not Work
OH NO! Math!!! Aaaah!
Mechanical Advantage
Identify - Read Carefully
100
ramp
What is an inclined plane?
100
carrying your books to class
What is not work? double points: Why is this not work?
100
I apply a force of 200 N throwing a baseball 20 m. How much work did I do?
What is 4000 joules? double points: The joule is equal to what?
100
What is the IMA of a compound pulley with 3 fixed pulleys and 3 movable pulleys?
What is 6?
100
What simple machine is a screwdriver?
What is a wheel and axle?
200
a rigid bar that pivots around a fixed point
What is a lever?
200
pushing on a wall to stretch out your calf
What is not work?
200
A boy pushes a ball 300 meters with 20 N of force. What is the amount of work being done?
What is 6000 J?
200
What is the IMA of a lever with an effort arm (input) of 100 centimeters and a resistance arm (output) of 20 cm?
What is 5? double points: What class of lever can it not be?
200
What class of lever is a wheelbarrow?
What is 2nd class? double points: What is in the middle (input, output or fulcrum)?
300
two wheels, one large and one small, that turn as one
What is a wheel and axle?
300
lifting a can of soda to take a drink
What is work?
300
A teacher carries a stack of books weighing 300 N to a storage room a 100 meters away. How much work did she do?
What is 0 joules?
300
What is the AMA of a simple machine that requires an input force (effort) of 600 N to move a 1800 N output force (resistance)?
What is 3?
300
What simple machine is a knife?
What is a wedge?
400
a rope or chain passing over a wheel and axle
What is a pulley?
400
catching a ball thrown at you
What is work?
400
A teacher carries 300 N of textbooks 10 meters from the first floor of the building to the second floor of the building. How much work did she do?
What is 3000 joules?
400
What is the IMA of a wheel an axle with a wheel diameter of 20 centimeters and a axle radius of 5 centimeters?
What is 2?
400
What class of lever is a hammer when it is used to remove a nail?
What is 1st class? double points: What is in the middle (input, output or fulcrum)?
500
a ramp wrapped around a post and a moving inclined plane
What is screw and wedge?
500
hanging off a cliff
What is not work?
500
What is the mechanical advantage of an inclined plane if it is a 1000-m long plane with a height of 50-m?
What is 20?
500
What is the IMA of an inclined plane with a height of 2 meters and a sloping surface length of 8 meters?
What is 4? double points: How can you increase the IMA?
500
What simple machines are found in a pair of scissors?
What are wedges and a lever? double points: What class of lever?
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