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What are 3 uses of friction?
Without friction we cannot walk Rolling becomes impossible and so riding a car goes in vain We cannot warm up our hands as we need them at times.
Why is friction sometimes harmful?
Friction has a nasty habit of wearing away surfaces. It can seize up engines if there is no lupricant. It can wear away your clothing and scrape away skin if you fall off your bike. It can cause a burn if when you hands slip while trying to hold a rope. Though friction can cause much trouble we also need it.
What happens when you rub your hands together vigorously?
Yes, rubbing your hands together makes friction. This friction makes heat.
What does friction cause to build up?
static electricity
Friction can cause objects to slow down what else can it do?
speed things up
What are 3 uses of friction?
Without friction we cannot walk Rolling becomes impossible and so riding a car goes in vain We cannot warm up our hands as we need them at times.
What makes your hands heat up when you rub them together?
friction
What is a good way to warm up your hands when your out in the snow . when you put warm water your hands hurt?
Put them under your arms.
Why do people rub palms against each other in winter?
because it creates friction and if you rub hard enough fast enough then it will begin to heat up and warm your hands (that is only if you do it correctly)
How does a burning match actually burn?
The match burns because of the friction between the sandpaper and the match. Try rubbing your hands together, it does the same thing! Can you feel your hands warm up? That is the same thing that is happening with the match. But no oxygen, and the fire goes out!
Why is friction sometimes harmful?
Friction has a nasty habit of wearing away surfaces. It can seize up engines if there is no lupricant. It can wear away your clothing and scrape away skin if you fall off your bike. It can cause a burn if when you hands slip while trying to hold a rope. Though friction can cause much trouble we also need it.
What happens when you rub your hands together vigorously?
Yes, rubbing your hands together makes friction. This friction makes heat.
How is friction involved in trying to move something too heavy?
Well friction is caused by two things rubbing against each other (like rubbing your hands together and they get warm is an example of friction) so if you tried to move something to heavy you might end up dragging it and then it would be rubbing (scraping) against another surface thus creating friction.
What force causes two objects to warm up when rubbed together?
Friction
Why is your breath warm when you breath on your hands?
because the flesh on your hands then heat up the air
What does friction cause to build up?
static electricity
How do you use a whirl a copter?
you put it in your hands, then you move your hands like your creating friction. it should go up into the air
