Because brakes create friction, and heat is a byproduct of friction.
just keep driving, if your have not checked your brakes then i would get a professional or you could take off your tyre and look at the brakes. consider getting new ones if they are looking damaged
make sure it's not the rear brakes hanging up, see if they feel hot, if you have drum brakes on the back a wheel cylinder could be hanging up.
yes, i need new brakes
Time for new brakes or adjustment.
The brake discs or drums get hot when you apply the brakes and then the heat transfers out to the rims
Mikes needs an apostrophe. So the sentence would be: "Mike's car needs a new muffler and new brakes."
New brakes for a vehicle depends on the type of car that you have. The more expensive the car, then the more the brakes would cost. For front brakes on a less expensive vehicle could cost anywhere between $40-150. The back brakes are higher.
because they are constantly being used
You went thru a deep puddle with hot brakes. The disc gets doused in cold water and warps.
Brakes are expensive if you need all new brakes. Expect to pay in the hundreds. Depending on your car and how many brakes need servicing.
Friction causes the heat.
Usually people go to a dealer or a body shop or even a auto shop to get new brakes for their car. Brakes can also be found online by many different distributors.