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Year 10
Edexcel

Levers, mechanical advantage and disadvantage

I can draw and label the different components of a lever system and describe mechanical advantage and disadvantage.

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New
New
Year 10
Edexcel

Levers, mechanical advantage and disadvantage

I can draw and label the different components of a lever system and describe mechanical advantage and disadvantage.

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These resources will be removed by end of Summer Term 2025.

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Lesson details

Key learning points

  1. In our bodies, levers are made from bones, joints and muscles working together.
  2. A lever consists of a fulcrum (joint), the effort (muscle creating the movement) and the load (weight or resistance).
  3. There are three lever systems in the human body.
  4. A lever can operate with both mechanical advanatge or mechanical disadvantage,

Keywords

  • Lever - a lever arm (bone) that rotates or pivots around a fixed point (fulcrum) when a force (effort) is applied to move a resistance (load)

  • Fulcrum - the fixed point around which a lever pivots or rotates

  • Effort - the force applied to a lever to move a load

  • Load - the resistance that a lever is designed to move

  • Mechanical advantage - 2nd class levers allow a large load to be moved with a relatively small amount of muscular effort

Common misconception

When drawing levers, the body part needs to be included.

A lever will always be drawn using four shapes.


To help you plan your year 10 physical education lesson on: Levers, mechanical advantage and disadvantage, download all teaching resources for free and adapt to suit your pupils' needs...

Introduce the shapes earlier and have them on a Post-it note (1 per shape) ready for the pupils to move them around.
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Teacher tip
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Equipment

Post-it notes, mini whiteboards.

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Licence

This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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6 Questions

Q1.
Where in the body would you find a hinge joint?
An image in a quiz
shoulder
Correct answer: knee
hip
Correct answer: ankle
wrist
Q2.
Which one of the following bones articulates at the elbow joint?
An image in a quiz
scapula
Correct answer: humerus
femur
tibia
Q3.
Match the bones to the correct location in the body.
Correct Answer:shoulder,scapula and humerus
tick

scapula and humerus

Correct Answer:elbow,humerus, radius and ulna
tick

humerus, radius and ulna

Correct Answer:hip,pelvis and femur
tick

pelvis and femur

Correct Answer:knee,femur and tibia
tick

femur and tibia

Q4.
Which movement causes the angle at a joint to decrease?
Correct answer: flexion
extension
plantarflexion
adduction
rotation
Q5.
The shoulder is an example of a ball and socket joint. Where else in the body would you find a ball and socket joint?
Correct Answer: hip, hips
Q6.
Name the muscle in the back of the lower leg in this image.
An image in a quiz
quadriceps
hamstrings
Correct answer: gastrocnemius
tibilais anterior
hip flexor

6 Questions

Q1.
The seesaw is an example of which lever system?
An image in a quiz
Correct answer: 1st class lever
2nd class lever
3rd class lever
Q2.
Match the shape to the correct component of a lever.
Correct Answer:lever arm,horizontal line
tick

horizontal line

Correct Answer:fulcrum,triangle
tick

triangle

Correct Answer:load (resistance),square
tick

square

Correct Answer:effort,arrow
tick

arrow

Q3.
Which lever component would be in the middle of a third class lever system?
fulcrum
Correct answer: effort
load
lever arm
Q4.
Which image demonstrates a 3rd class lever system?
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
Q5.
The load is positioned in the middle of which lever system?
first class lever
Correct answer: second class lever
third class lever
Q6.
In a second class lever, the effort arm is shorter than the load arm and therefore at a mechanical ...
Correct Answer: advantage