What is Force?
What is a force?
A push or pull that makes something move, stop, or change direction.
What kind of force do you use when you push a shopping cart?
Applied force.
What simple machine is like a seesaw?
A lever.
What force is acting on you when you slide on ice?
Friction, but it’s low on ice.
What is a lever used for by First Nations, Métis, and Inuit peoples?
Lifting heavy materials.
True or False: Forces can only make things move.
False, forces can stop or change direction too.
What is the force that makes your shoes grip the ground when you walk?
Friction.
What is a pulley used for?
Lifting objects using a rope and a wheel.
What force helps you stop a bike?
Friction between the tires and the ground.
Which simple machine might Indigenous peoples use to transport objects to higher places?
Inclined plane.
Give an example of a force you use every day
pushing a door, kicking a ball.
What force acts on a rubber band when you stretch it?
Elastic force.
Which simple machine is used to lift things up a ramp?
Inclined plane.
What kind of force pulls objects toward the Earth?
Gravity.
True or False: Simple machines were only invented in modern times.
False, they’ve been used for thousands of years.
What two things can a force do to an object?
Start it moving or stop it from moving
What kind of force happens when you pull on a rope in tug-of-war?
Tension force.
How does a wedge help you split something apart?
A wedge applies force on an object to split or cut it by concentrating the force at the sharp edge.
What two forces act on a book resting on a table?
Gravity pulling down, table pushing up.
Name a simple machine that helps people move things more easily over long distances.
Wheel and axle.
Describe a situation where you are using force without moving something.
Holding a heavy object still
Which force slows down a moving bike?
Friction force
Name two simple machines that make lifting heavy things easier.
Lever and pulley.
Why is it easier to walk on dry pavement than on ice?
There’s more friction on dry pavement, which helps you keep from slipping.
What purpose does an inclined plane serve in traditional construction?
It helps move materials to different levels.