AQA Trilogy GCSE Science - Science
Mission Objectives
Explain how a lever can act as a force multiplier
Calculate the turning force acting on an object
Explain how gears can be used to increase or decrease a turning force
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Words and meanings to learn
lever
a simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum
gear
a rotating wheel with teeth that interlock with another gear or part to transmit torque and change the direction or speed of rotational movement
turning effect
the rotational equivalent of force; it refers to the ability of a force to cause an object to rotate around a pivot point or axis
moment
the measure of the turning effect of a force acting at a distance from a pivot point
force multiplier
a machine or mechanism that increases the input force, allowing a smaller force to have a greater effect; levers, gears and pulleys are examples of force multipliers
Samantha is a dedicated and accomplished science educator with over 15 years of leadership experience in the field, coupled with a strong background in scientific analysis. She has a proven track record of strategically managing educational departments, driving operational efficiencies, and nurturing collaborative relationships with stakeholders.
Samantha previously served as the Head of Chemistry and Sixth Form Tutor, Ilkley Grammar School, Ilkley with extensive Key Stage 4 and 5 teaching experience and leadership. In addition to her teaching and leadership roles, she is also an examiner for AQA, providing her with valuable insight into assessment standards and exam specifications.
In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket, where she's enthusiastically honing her skills both on and off the pitch!
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