The Wheel and Axle Mark-o & Eric-o. What makes it a wheel and axle system? The wheel must be fixed to the axle. One rotation of the wheel equals one rotation.

Slides:

Advertisements

Similar presentations

II. The Simple Machines (p )

Advertisements

Physical Science Chapter 4

Chapter 14: Machines.

Levers A lever consists of two parts-a bar or plank and a fixed point, called a fulcrum.

Mechanical Power Systems

Lever, Wheel & Axle, and Pulley

Simple Machines.

Simple Machines.

Physical Science Work & Machines. What is Work? What is Work?  Work is force exerted on an object that causes the object to move some distance  Force.

Units Defintions Simple Machines ProblemsMisc.

SIMPLE MACHINES. INVESTIGATION 1 SIMPLE MACHINES.

Simple machines and mechanisms Lesson 5.0 and 5.1 Pages

Chapter 5 Machines and Mechanical Systems. Forces in Machines How do you move something that is too heavy to carry? How were the pyramids built? Simple.

Machines. Work and Power Power is the rate at which work is done Power = Work time Remember that W = Fd So, Power = Fd t Power is measured in Watts –1.

Simple Machines.

ENGR 107 – Introduction to Engineering

Chapter 9 - Simple Machines

Machines - Ch. 7 II. The Simple Machines (Chapter 8)  Introduction to Machines  Mechanical Advantage  Lever  Pulley  Wheel & Axle.

Simple Machines Machines Lever Inclined plane Pulley Screw Wedge Wheel & axle.

Mechanical Advantage.

Section 2 Simple Machines.

Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction.

The number of times a machine multiplies your effort force.

CHAPTER 5 Work and Machines. DEFINITIONS Effort Force - (F e ) the force put into a machine Resistance Force - (F R ) the force moved by a machine Weight.

Forces Screws & Levers Who Am I? True or False Name.

Vocabulary  Machine: any device that makes doing work easier  Mechanical advantage: the # of times a machine multiplies the input force;  MA= output.

Pulleys A Pulley is a grooved wheel with a rope, chain, or cable running along the groove Change the direction of an applied force Transmit rotational.

Simple machines 6 types of simple machines, mechanical advantage of each type and compound machines.

Six Simple Machines. Simple Machines Simple machines are the six machines on which all other machines are based. –Lever –Wheel & Axle –Pulley –Inclined.

Forging new generations of engineers. GEARS Presentation Objectives Identify parts of the gear trainer Identify gears Identify gear terminology Identify.

The 6 Simple Machines Screw Wedge Inclined Plane Pulley Wheel and Axle

Simple Machines.

Lever A lever is a bar that is free to turn, about a fixed point.

Work & Simple Machines Review. Define / Describe WORK.

Physical Science Chapter 12.  devices that change the direction of a force or the size of a force that help us to do work  machines will multiply your.

Mechanical Advantage Instructions

Classification of simple machines: Simple machines are divided into two families: 1)The Lever family and 2) The inclined plane family.

REVIEW Work Power and Machines. What Is Work? Key Concepts  Work is done on an object when the object moves in the same direction in which the force.

Machine- a device that makes work easier by changing the direction or size of the force.

Mechanical Advantage The measurement of how useful a machine is to the job.

Simple Machines Spring 2014.

Chapter 5: Machines II. The Simple Machines Inclined Plane Lever Screw

SIMPLE MACHINES 9.2.

Simple Machines. Types of Simple Machines How do machines make work easier? Machines make work easier by: multiplying the size of the force you exert.

Work and Machines. What is Work? Work is force times distance. To be exact, work is force times the distance moved in the direction of the force. The.

Machines and Mechanical Advantage Archimedes (Greek mathematician, 287 to 212 B.C.) said, “Give me a place to stand and I will move the Earth,” meaning.

Simple Machines Simple Machines Making Work Easier….YEAH!!!

+ Do Now Why do we use ramps to move heavy objects to higher places?

Chapter Nine: Simple Machines

1 Pulley = = = = 1 = Mechanical Advantage E1 Pulling Lifting Effort

Machines, Mechanical Advantage, and Efficiency. Ideal Machines In an ideal machine, work going in is equal to the work going out, this means it has 100%

What is a simple machine? Section 5-1. Machines Makes work easier by changing the size of a force, the direction of a force, or the speed of a force.

The Red Group’s Week. Wheel and Axle A wheel and axle is a simple machine made of two circular and cylindrical objects fastened together that rotate about.

Simple Machines WHEEL AND AXLE PULLEYS. The Wheel and Axle The wheel and axle is another type of simple machine that moves objects across distances. Wheels.

Chapter Nine: Simple Machines

Topic 2: The Wheel and Axle, Gears, and Pulleys

GPS Standards S8CS5a: Observe and explain how parts can be related to other parts in a system such as the role of simple machines in complex (compound)

WorkMathPowerMachinesMisc Question What is the SI unit for work?

Starter Directions: Match the units on the right with the correct measurement on the left. 1. F = __________________ 125 kilograms 2. m = _________________23.

Chapter 7 Review.

Simple Machines, Mechanical Advantage, and Work. Machines  Machines make work easier by changing direction of a force, multiplying a force, or increasing.

Types of Machines Levers Simple machine that has a bar that pivots at a fixed point This fixed point is called the fulcrum The load Input force 3 Types.

Load Arm Fulcrum Load Effort Parts of a Lever A lever is a simple machine used to reduce the amount of effort it would take to lift a load or reduce.

Presentation transcript:

The Wheel and Axle Mark-o & Eric-o

What makes it a wheel and axle system? The wheel must be fixed to the axle. One rotation of the wheel equals one rotation of the axle. If the wheel and axle are not fixed then you basically have a pulley system.

Everyday examples of a wheel and axle system A doorknob Sprocket and shaft Fishing reel Carousel

What’s the point? Provides a simple way to obtain Mechanical Advantage. The example to the right shows a simple system with an MA of 5:1. The radius of the wheel in this case is 5x the radius of the axle.

Where’s the sacrifice? As with any system using MA, you give something to gain something. Here you are increasing the distance that you must turn to achieve one rotation of the axle, but you are increasing torque at the axle by the same ratio, thus making it “easier” to raise the bucket.

Find the wheel and axles