Which surface will have less friction: ice or sand?
What is the function of brake pads in a car?
Can friction generate heat?
The rougher the surface, the ___ the friction.
What factors can affect stopping distances?
When we apply brakes to a bicycle, which type of friction comes into play?
Is the stopping distance greater at higher speeds?
All surfaces have the same amount of friction.
What can increase the friction between two surfaces?
Wet roads increase the stopping distance of vehicles.
What happens to friction when we oil a surface?
Does the weight of an object affect the friction?
In a car, which systems work together to stop the car once the brake pedal is pressed?
In space, where there is no resistance or friction, an object in motion will keep moving forever unless acted on by another force.
If a driver doubles their speed, the stopping distance will...