Question

Effects of friction are ______ a) it opposes motion b) it produces heat c) it causes wear and tear d) all of these
​

Answer 1

$\huge\mathfrak\red{åñswêr}$

B) it produces heat

produces unnecessary heat leading to the wastage of energy

HOPE MY ANSWER WILL BE HELPFUL FOR YOU DEAR :)

Answer 2

Answer:

b) It produces heat

i hope it's helpful