Science

5. Describe and calculate a turning force

Mission Objectives

Identity and describe turning forces

Calculate moments and state the unit of measure

Make a see-saw, balance it and state why there is no turning force

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Keywords

Words and meanings to learn

turning effect

also known as a moment, this is the product of perpendicular force and the distance from the pivot

moment

also known as a turning effect, this is the product of perpendicular force and the distance from the pivot

pivot

the point at which a lever rotates

fulcrum

the point at which a lever rotates

perpendicular force

a force that acts at a right angle to an object

This lesson has been written by

Kate Richards

Kate’s journey as a science educator spans over 15 enriching years. Her passion for unravelling the complexities of the human body led her away from medicine (as she hates blood but loves medical t-shows) and into the world of teaching. She’s had the privilege of nurturing young minds in KS3 and KS4 science, guiding A-level Biology students, and even taught year 4 students in Spain, broadening her teaching horizons early in her career. Kate holds a Masters in Teaching (MTeach) and specialises in biology. Her research for her Master's degree focused on the profound impact of self-efficacy on classroom learning. Beyond the classroom, she finds solace in leisurely family walks and exploring new destinations through travel. She finds that the most rewarding aspect of teaching is witnessing those magical "light bulb moments" when students grasp the intricacies of science right before her eyes. 

Required Resources

Resources: Metre ruler, masses, prism and the handout. 

Handout: Calculating moments. 

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