Show:
Simple Machines
Work
Levers
Mechanical Advantage
Random Questions
100
A machine that has a fulcrum, an effort arm and a load arm?
What is a lever
100
The unit the work is measure in.
What is a joule (newton metres)
100
In a class 1 lever the fulcrum is between these two components.
What is the load and the effort
100
What are the units for M.A.?
What is there are none
100
The formula for pressure is.
What is force devided by area
200
A machine that has a cylinder attached to a handle.
What is a winch
200
The formula to calculate work
What is force x distance.
200
A wheel barrow is what class of lever?
What is second
200
What is the mechanical advantage if we have an input force of 10N and an output force of 50N?
What is 5
200
Machines are never 100% efficient becuase of this
What is friction
300
A machine that has two turning objects attached to at the centre.
What is a wheel and axle.
300
The amount of work done if you try to push a car with all your might (400N) and it does not move.
What is none, zip, zero, nil, nothing.
300
All levers have these three components.
What is a fulcrum, load and effort.
300
Does a mechanical advantage of 0.65 represent a speed or force advantage?
What is a speed advantage
300
The measure of how much energy gets transfered from you, through a machine, to a load is called.
What is efficiency
400
A rotating wheel-like object with teeth around its rim.
What is a gear
400
When you are studying are you doing any work?
What is no.
400
This class of lever provides a speed advantage
What is class 3
400
A pulley system with 3 fixed pulleys and 2 moveable pulleys will have a mechanical advantage of?
What is 5
400
How do you spell my last name?
What is SCHWEIZER
500
A grooved wheel with a rope or chain running along the groove.
What is a pulley
500
The amount of work done if a force of 20 newtons is applied for a distance of 6 metres. (make sure you use correct units)
What is 120 joules.
500
The mass of an object that is being moved or lifted by a lever.
What is the load
500
The formula for mechanical advantage is.
What is Force output devided by force input.
500
If a pressure of 25Pa is applied to an area of 4m2, what is the resulting force?
What is 100N.