Question

3. Make sure your hands are dry. Rub them together briskly so that you create a lot of
friction. Observe the heat in your hands. Now add some hand lotion/ oil and rub them
again. What happened this time? Mark me brainlist question, # follow ​

Answer 1

Answer:

FIRST YOU WILL OBSERVE AND FEEL HEAT

BUT IN SECOND CASE YOU CAN RUB YOUR HAND SMOOTHLY

Explanation:

IN FIRST CASE DUE TO FRICTION HEAT IS PRODUCED

IN SECOND CASE DUE TO LUBRICATION BY LOTION NO FRICTION IS TAKEN PLACE

Answer 2

Answer:

IN FIRST CASE YOU ARE A GONNA FACE A BIT TOUGH TO RUB YOUR HAND AND HEAT WILL BE PRODUCED

IN SECOND CASE YOU CAN EASILY RUB YOUR HAND WITH LESS HEAT PRODUCED

Explanation:

IT IS BECAUSE IN FIRST CASE YOUR HANDS HAD MUCH IRREGULARITIES SO THE FRICTION INCREASED SO YOU FACED A BIT TOUGH TO RUB HANDS BUT IN SECOND CASE THE HAND LOTION OR THE OIL DECREASED THE IRREGULARITIES SO THE FRICTION DECREASED AND WE COULD EASILY RUB OUR HANDS