Page 201 - SK Year 6 Science DLP
P. 201
MACHINES
MACHINES
MESIN
Lever Well, that’s easy. Use a
spoon. The spoon acts as a
It’s so hard to lever to open the lid of the
open the lid of this can easily.
can. Help!
The lid of the can acts as a load, the tip of the spoon
that touches the lid is the fulcrum, while Rani’s hand that
pushes the spoon handle downwards acts as the force.
A lever consists of a piece of rod that moves force
at a fixed point called the fulcrum. Levers help (effort)
load
us to lift and move objects easily. Observe
the diagram on the right. Levers consist of
three parts, namely, load, force (effort), and fulcrum
fulcrum.
HOTS
force HOTS
fulcrum force
fulcrum load Our arm is a simple
force machine. How does our
arm function as a
simple machine?
fulcrum
load
load
Describe a different
The examples of levers shown above make example on the
our daily work easier. How are they used use of levers in our
in the situations above? daily lives.
12.1.1 193

