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You can raise or lower the load with the mouse. If you click on the mouse button, a spring balance will appear showing the tension in the string. You can change the weight of the load and the hanging pulley(s) by using the appropriate boxes. Inputs higher than the spring scale limit (10 N) are automatically changed.

Software/Applets used on this page

JAOP
Based on free Java applets from Java Applets on Physics

Glossary

limit

the value that a function f(x) approaches as the variable x approaches a value such as 0 or infinity

spring

a helical wire or string made of rubber which when stretched and let go returns to its original shape

tension

A pulling force which pulls the connected parts of a system together. It is an internal force.

weight

a force which acts upon masses in a gravitational field. Near the surface of the Earth, the acceleration due to gravity is approximately constant; this means that an object's weight is roughly proportional to its mass. Weight and mass are fundamentally different quantities: mass is an intrinsic property of matter, whereas weight is a force that results from the action of gravity on matter: it measures how strongly gravity pulls on that matter.

Full Glossary List

This question appears in the following syllabi:

SyllabusModuleSectionTopicExam Year
AQA A-Level (UK - Pre-2017)M1DynamicsConnected particles-
AQA AS Maths 2017MechanicsForces and Newton's LawsConnected Particles-
AQA AS/A2 Maths 2017MechanicsForces and Newton's LawsConnected Particles-
CCEA A-Level (NI)M1DynamicsConnected particles-
CIE A-Level (UK)M1DynamicsConnected particles-
Edexcel A-Level (UK - Pre-2017)M1DynamicsConnected particles-
Edexcel AS Maths 2017MechanicsForces and Newton's LawsConnected Particles-
Edexcel AS/A2 Maths 2017MechanicsForces and Newton's LawsConnected Particles-
OCR A-Level (UK - Pre-2017)M1DynamicsConnected particles-
OCR AS Maths 2017MechanicsConnected ParticlesConnected Particles-
OCR MEI AS Maths 2017MechanicsConnected ParticlesConnected Particles-
OCR-MEI A-Level (UK - Pre-2017)M1DynamicsConnected particles-
Pre-U A-Level (UK)MechDynamicsConnected particles-
Universal (all site questions)DDynamicsConnected particles-
WJEC A-Level (Wales)M1DynamicsConnected particles-