Question

friction is a necessity in this cases
a. walking on wet floor
b. Snow covered roads
c. writing with a pen
d. all of these​

Answer 1

Answer:

all of these ..................

Answer 2

Friction is a necessity in all the cases. (option d)

• There are three situation mentioned in the question.

1. walking on wet floor
2. Snow covered roads
3. writing with a pen

• In these four cases, the friction is extremely important for avoiding any kind of slip or accidents.
• If the friction is completely vanished from mentioned situation then the slipping is completely obvious. Consequently, accidents or failure of the ongoing task will take place.