Exploring Forces · Principle 1 of 27
Push or pull
Every push or pull is a force.
Think
Moving a box
A box is lying on the floor. You want to move it from one place to another.
How would you move it?
What this lesson covers
The idea
A push or pull applied on an object is called a force.
Moving a box
A box is lying on the floor. You want to move it from one place to another.
How would you move it?
- Push it or pull it
- Look at it very hard
- Wait for it to move
Push the table
Press Push and watch. Then press Stop pushing.
A push is a force
To move the box you must push it or pull it. In science, a push or a pull on an object is called a force.
A push or pull applied on an object is called a force.
Notes
A push or pull applied on an object is called a force.
Check yourself
A push or pull on an object is called …
Which of these is applying a force on a drawer?
Stretching a rubber band needs …
Kicking a football is a …
- a speed. Speed tells how fast something moves. A push or pull is a force.
- a force — correct. Yes!
- a size. Size is how big something is. A push or pull is a force.
- Looking at it. Looking does not push or pull the drawer.
- Thinking about it. Thinking does not push or pull the drawer.
- Pulling it open — correct. Yes!
- a pull — correct. Yes!
- no force at all. Stretching it means pulling it. A pull is a force.
- only a look. Only a pull stretches it.
- pull. A kick pushes the ball away from the foot.
- push — correct. Yes!
- look. A kick is a push on the ball.