Page 115 - SK Year 6 Science DLP

FORCE
FORCE
DAYA

Increasing and Decreasing

Frictional Force

There are several circumstances that require more frictional force to help us do
work. By increasing frictional force, the work can be carried out more efficiently
and easily.

Of course. It’s because the
The palm of your
hand may be You’re right. I’m dry towel increases the
frictional force on the surface
It’s difficult to slippery. Well, use able to remove the of the lid as opposed to the
open the jar. Too this towel. lid easily by using palm of your hand that is
tight!
a dry towel! slippery.

HOTS
HOTS

How is sound Why do pistons produce heat? Why do trains take a Why does a glass
produced when a long time to stop after the filled with cold
violin is played? brakes are applied? water move on its
own when placed
on a table surface
made of glass?

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