Lesson 5

Balanced forces

You should already know that pushes and pulls are forces. The forces on an object can be balanced or unbalanced.


Objectives:

  1. Know the effect of balanced forces on an object.

  2. Know the effect of unbalanced forces on an object.

PART A

Copy this paragraph:

If the forces on an object are equal and opposite, the object either does not move or moves at the same speed in the same direction. Forces that are equal and opposite are called balanced forces.

PART B

Copy the drawings of balanced and unbalanced forces.


balanced forces

PART C

Use the following website to carry out some experiments in forces.

PART D

This presentation gives you 5 experiments to try on the website. For each one write down what happens.

Phet instructions

PART E

Try this quiz:

Well done if you got 5/5 on the quiz, if you didn't go back through the lesson again.

End of lesson