A device that either multiplies or redirects a force
What is simple machine
100
Pliers are an example of two levers put together. The fulcrum is between the resistance and the effort.
What is a first class lever
100
What is the mechanical advantage for wheel and axle
Mechanical advantage equals the diameter of the wheel divided by the diameter of the axle
100
On my crane block and tackle system I am using 10 pulleys. What is the MA?
10
100
An experiment to find a better stain remover for clothes
What is applied science
200
A push or pull exerted on an object in an effort to change that object's velocity
What is force
200
What is mechanical advantage of a lever
What is distance from fulcrum to effort / distance from fulcrum to resistance
200
If a wheel has the diameter of forty inches and the axle has a diameter of 4 inches what is the mechanical advantage?
10
200
What is the formula for MA for a screw
Circumference divided by pitch
200
An experiment to determine how to reduce water spots in the shower
What is applied science
300
The amount by which force or motion is magnified in a simple machine
What is mechanical advantage
300
If a third class lever has a resistance of 7, what does that mean?
What is the speed at which the resistance moves will be magnified by 7
300
If you turn the wheel on a tractor what does the mechanical advantage do for you
Magnifies the effort and magnifies the force
300
If the slope of a wedge is 20 inches and the height is 4 inches, what is difference in MA of a wedge that has a slope of 20 inches and a height of 10 inches?
3
300
An experiment to determine how much ragweed is in the air today
What is science
400
The length of a straight line that travels from one side of a circle to another and passes through the center of the circle
What is diameter
400
If a third class lever has a MA of 15, what does that mean?
What is the speed is magnified by 15
400
What are the disadvantages of mechanical advantage for a tractor
The axle turns more slowly than the wheel
400
What is the formula for MA on a screw and if I only have the diameter of the screw how do I get the circumference?
Circumference divided by pitch and diameter x 3.14
400
A spray that when sprayed, kills bugs instantly
What is technology
500
The distance around a circle, equal to 3.1416 times the circles diameter
What is circumference
500
Two first class levers
What is scissors and plyers
500
If your tractor wheel diameter is 24 and your axle wheel diameter is 2. What is the mechanical advantage of the wheel and axle
What is 12
500
If I have a screw driver that has a 1 inch diameter on the handle then what is my MA of the screwdriver with a screw that has a pitch of 0.2 inches?
15.7
500
A new brake system that allows you to brake quickly