Question

le HUU
(c) towel, newspaper, dry marble floor, wet ma
(d) wet marble floor, dry marble floor, towel, newspaper
Out of the following, the lubricant to be used in the moving parts of a machine is
(b) air
(c) chalk powder (d) turpentine oil
(a) water
Smooth surface has
(b) more frictional force
(a) less frictional force
(c) Sometimes less and sometimes more force (d) all the above
To convert the static or sliding friction into rolling friction, the heavy luggage carriers are attached
at their base.
with
(d) wheels
(c) tyres
(b) chains
(a) ball bearings
Fill in the blanks!
ton
between the surfaces in contact with each other.​

Answer 1

Answer:

congrats freind for your thanks