HOOKE’S LAW. OBJECTIVE: 1.Determining the change of lengths of spring on the suspension of weights. 2.Confirming Hooke’s law and determining the spring.

Slides:

Advertisements

Similar presentations

Hookes Law The following topics will be discussed in this presentation: 1. Hookes law 2. Elastic behaviour of materials by stretching a spring and producing.

Advertisements

Hooke’s law Condition of equilibrium 1) 2) 3) Hooke’s law.

Hooke’s Law Hooke's Law gives the relationship between the force applied to an unstretched spring and the amount the spring is stretched.

Elastic Energy. Compression and Extension  It takes force to press a spring together.  More compression requires stronger force.  It takes force to.

Physics 101: Lecture 20, Pg 1 Lecture 20: Ideal Spring and Simple Harmonic Motion l Chapter 9: Example Problems l New Material: Textbook Chapters 10.1.

A spring with a mass of 6 kg has damping constant 33 and spring constant 234. Find the damping constant that would produce critical damping

Spring Force. Compression and Extension  It takes force to press a spring together.  More compression requires stronger force.  It takes force to extend.

READING QUIZ To write the equations of static equilibrium for a particle, it is necessary to apply ___. A) Newton’s law of gravitation B) Newton’s first.

UNDERSTANDING ELASTICITY Elasticity A force can change the size and shape of an object in various ways: stretching, compressing, bending, and twisting.

A property of matter that enables an object to return to its original size and shape when the force that was acting on it is removed. Elasticity.

Springs and Pendulums.

Today we are going to look at spring extension when adding masses. Make a prediction for this practical, can you explain why you predict this? Key terms:

Energy stored in a Stretched String When stretching a rubber band or a spring, the more we stretch it the bigger the force we must apply.

Elastic Potential Energy.  Elastic Potential Energy (EPE) is a measure of the restoring force when an object changes its shape.

Mechanical Energy. Kinetic Energy, E k Kinetic energy is the energy of an object in motion. E k = ½ mv 2 Where E k is the kinetic energy measured in J.

Energy 4 – Elastic Energy Mr. Jean Physics 11. The plan:  Video clip of the day  Potential Energy  Kinetic Energy  Restoring forces  Hooke’s Law.

Spring Force. Compression and Extension  It takes force to press a spring together.  More compression requires stronger force.  It takes force to extend.

clamp stand ruler masses on holder

Read and say! How many words do you know? Click and wait Click!

IP Hooke’s Law © Oxford University Press 2011 Hooke’s Law.

Springs Have out Target Guide Worksheet: Significant digits part 2

Elastic Potential Energy Pg Spring Forces  One important type of potential energy is associated with springs and other elastic objects. In.

This section of work is also known as Hookes Law.

Chapter 12 Vibrations and Waves. Periodic Motion Any repeated motion Examples?

Hooke’s Law. English physicist Robert Hooke (1678) discovered the relationship b/t the hooked mass-spring system’s force and displacement. F elastic =

Hooke ’ s Law. Elasticity: The ability of an object to return to its original shape after the deforming force is removed.

IGCSE PHYSICS Forces – Hooke’s Law

Natural Length Extension Stretched Length No relationship between Force and stretched length Force is proportional to extension.

Simple Harmonic Motion  Simple Harmonic Motion – Vibration about an equilibrium position in which a restoring force is proportional to the displacement.

Hooke’s Law. Robert Hooke investigated springs and found that the distance a spring stretched(extension) of a spring was proportional to the force(load)

Spring Force. Compression and Extension  It takes force to press a spring together.  More compression requires stronger force.  It takes force to extend.

Robert Hooke Hooke’s Law deals with springs.

Hooke’s Law. Hooke’s law, elastic limit, experimental investigations. F = kΔL Tensile strain and tensile stress. Elastic strain energy, breaking stress.

Elastic Energy SPH3U. Hooke’s Law A mass at the end of a spring will displace the spring to a certain displacement (x). The restoring force acts in springs.

FORCES SPRINGS This section of work is also known as Hookes Law.

Physics Section 11.1 Apply harmonic motion

Elastic Potential Energy: Learning Goals

Simple Harmonic Motion

10.8 Forces and elasticity Q1a. The limit of proportionality of a spring is where the extension is no longer proportional to the applied force.

Elastic Potential Energy

Elastic Forces Hooke’s Law.

Simple Harmonic Motion and Hooke’s Law

Vibrations & Waves Part 1: Periodic Motion.

CIE IGCSE PHYSICS Forces – Hookes Law

Stretching springs and Hooke’s Law

ELASTIC FORCE The force Fs applied to a spring to stretch it or to compress it an amount x is directly proportional to x. Fs = - k x Units: Newtons.

Force, Work and Power Chapter 40.

Springs / Hooke's law /Energy

Work Done by a Varying Force

Springs and Hooke’s Law

WALT: about Hooke‘s Law

Gravitational field strength = 9.81 m/s2 on Earth

A spring is an example of an elastic object - when stretched; it exerts a restoring force which tends to bring it back to its original length or equilibrium.

Energy Part 3 – Hooke’s Law.

Hooke’s Law Period of oscillators

Hooke’s Law Period of oscillators

A spring is an example of an elastic object - when stretched; it exerts a restoring force which tends to bring it back to its original length or equilibrium.

Effects of Forces Change shape.

Hooke’s law Hooke’s law states that the extension of a spring force is proportional to the force used to stretch the spring. F ∝ x ‘Proportional’

Ch. 12 Waves pgs

Elastic Force – Hooke’s Law

Elastic Energy.

Example 1 When a mass of 24kg is hung from the end of a spring, the length of the spring increased from 35cm to 39cm. What is the load on the spring in.

Hooke’s law Robert Hooke, in 1676, noted that for a spring, the extension was proportional to the load. It is now more generally stated that in certain.

ELASTIC DEFORMATION.

Presentation transcript:

HOOKE’S LAW

OBJECTIVE: 1.Determining the change of lengths of spring on the suspension of weights. 2.Confirming Hooke’s law and determining the spring constant.

THEORY Hooke's law of elasticity is states that the extension of a spring is in direct proportion with the load added to it as long as this load does not exceed the elastic limit.elasticity Hooke’s law hence is: F = D. ∆ L Where, F = force D = spring constant ∆L = displacement.

TOOLS: Spring Weights (50gm each) Laboratory Stand Measuring tape

STEPS : 1. Hang the spring on the laboratory stand. 2.Measure the length of the spring. 3.Hang 50gm weight on to the spring, and measure the change in its length. 4.Continue adding weights and measure the corresponding change in lengths.

DATA : Mass (m) Kg Force (F) N Length (L) m Displacement (x) m