What is Force?
What is Force?
A push or a pull that can make something move.
What type of force is gravity?
A force that pulls objects towards the Earth.
When you open a door, are you pushing or pulling?
Pulling
What is buoyancy?
The force that makes things float in water.
What force makes things fall down when you drop them?
Gravity
What happens when you push or pull an object?
It can start moving, stop moving, change direction, or change shape.
What is the force that keeps us on the ground?
Gravity
When you kick a ball, is it a push or a pull?
Push
What happens when an object is lighter than the water it pushes aside?
It floats.
What force slows down a sliding object?
Friction
True or False: Forces can only push objects.
False. Forces can push or pull objects.
True or False: Friction makes objects move faster.
False: Friction slows objects down.
When you close a drawer, is it a push or a pull?
Push
Name something that floats on water.
Examples: A boat or a rubber duck.
What would happen if there were no gravity?
We would float, and objects wouldn’t fall to the ground.
What do we call the amount of "push" or "pull" on an object?
Strength of the force.
What force makes objects fall to the ground when you drop them?
Gravity.
What force do you use to drag a suitcase across the floor?
Pull
Why does a rock sink in water?
Because it is heavier than the water it displaces.
Why is it harder to push something across carpet than a smooth floor?
Because of friction on the carpet.
If you push a toy car, what force makes it slow down and stop?
Friction.
What force is used when you slide something across a rough surface?
Friction.
When you lift a bag, is it a push or pull?
Pull
What force is pushing up on an object that floats?
Buoyant force.
True or False: Friction is stronger on rough surfaces than on smooth surfaces.
True