Everday life
Of coarse!
how is petrol used in our everday life
a door
neon lighting
Most people do not.
bad friction is when 2 things rub together .
electric motors
counting money
how do whole number relate to everday life
Friction isn't always bad, but when engineers try to avoid or reduce friction, it is because of the energy lost due to friction.
life is a little harder when you have to have assitance to find what to wear and to compare things.