Interaction of bodies. Force
Answers are for parents and teachers.
1
Name four examples of forces.
For example: gravity, elastic force, friction, a push.
2
45 N and 55 N the same way. Resultant (N)?
100
3
Opposite 80 N and 30 N. Resultant (N)?
50
4
Give an example of interaction from home, e.g. when you push something.
For example: when we push a wall, the wall pushes us back.
5
Why should you ask an adult for help lifting heavy things?
A large force is needed and a dropped object can cause injury.