Understanding Forces Y8

What is a force?

What is a balanced force?

What is an unbalanced force?

Have you ever drawn a free body diagram?

On my workbench, I have a book. The book is not moving, the forces acting on the book are ________________.

• Balanced

• Unbalanced

A bird is flying from the top of a building to the ground. Draw the free body diagram for the motion of the bird.

What is the resultant motion?

Are the children moving?