Simple simple machines…
A 360 degree lever attached to a rope! Used for setting up badminton nets.
What is WINCH
When the Effort is between the Load and the Fulcrum.
What is CLASS 3
Scissors are an example of what class level?
What is a class 1 lever
When calculating work, distance must be measured in ....
What is METERS
A wheel barrow..
What is CLASS 2 LEVER
The MA of : Class 1 Lever with an Effort arm of 4m, and a Load arm of 2m…
What is MA=2
Energy that is stored…
What is POTENTIAL
The ratio of the force produced by a machine to the force applied to it ...
What is MECHANICAL ADVANTAGE
The unit of Measurement of force.
What is NEWTONS
This simple machine lessens the force needed to move a load, but increases the distance the load is moved.
What is INCLINED PLANE
If a gear with 80 teeth turn ONCE, how many times with the follower gear turn with 20 teeth?
What is 4 TIMES
Energy gets lost in transformation mainly due to this energy waste factor…
What is FRICTION
This value is measured in N/m
Work
What was the name of the simple Aboriginal machine used to clean hides?
What is the flesher
A pulley with a Mechanical Advantage of 1.
What is FIXED PULLEY
If you use a lever to help you lift a load of 100 N and the lever has a MA of 2, what force do you need to apply to lift the load?
What is EFFORT FORCE = 50 N
Energy ________ is the movement of energy from one location to another, while energy _____________ is when energy changes from one type to another.
What is TRANSMISSION and TRANSFORMATION
The ratio of the useful work provided by a machine to the actual work supplied to the machine.
What is EFFICIENCY
*DAILY DOUBLE* How much work is exerted when Gary pushes a box with a force of 500N a distance of 3m along the floor?
What is 1500 JOULES
*DAILY DOUBLE* Name the 6 simple machines
Pulley, wheel and axle, lever, screw, incline plane, wedge
What is HUMAN
A knife is an example of this type of simple machine.
What is a WEDGE
A single fixed pulley has a MA of what?
What is MA = 1