Subject :NSO Class : Class 4
Ritesh wants to make a list of actions that show that friction produces heat. Which of the following actions can he include in his list?
(i) Rubbing hands together
(ii) Scratching a match stick against the match box
(iii) Sawing wood
(iv) Drilling a hole into metal sheet
(v) Rubbing off some pencil marks with an eraser
A(i) and (iv)
B(i), (ii) and (v)
C(i), (ii), (iii) and (v)
DAll of these
Ans 1:
Class : Class 7
To SOF New Delhi and Master answer Revisewise Noida I hope you are ready to answer my question once again after you gave different answers in the workbook and the website and I got more than 100 likes for that question and the master answer wasn't giving the answer. So read what I have typed below.Please answer: How does "drilling a hole into a metal sheet" cause friction? Please answer as soon as possible (ASAP).From Ashmi Narkar Grade 4SOF Student Vibgyor High Airoli
Ans 2:
Class : Class 4
To Ashmi Narkar-Drilling a hole into a metal sheet cause friction as,because of the friction it is able to drill in the metal sheet and make a hole in it!I hope this helped you!
Ans 3:
Class : Class 7
My sister also says that she had same question just the name was different and she gave same answer and that time too answer was wrong. Now tell me the answer until 19.11.2019