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Physics Form 4 Chapter 2 Force and Motion I
Physics Form 4 Chapter 2 Force and Motion I
Branch of tree Rear-end collision
A stick is used to jerk the branch
of a guava tree. At the end of When a rear-end
the branch, there is a big guava. collision occurs, the Headrest
The guava tends to remain in its car and the body of the
original state of rest due to its driver move forward
inertia. This will cause its stalk to suddenly. The headrest
snap and the guava will fall to the supports the head of
ground. the driver when it is
thrown backwards. Chapter
2
Guava
Effects of
Tissue paper Inertia Steel structure of lorry
When a sheet of tissue A steel structure is fitted in the
paper is pulled quickly space between the driver and the
from a tissue box, the load of a timber lorry. This steel
box will not move. The structure prevents the logs from
inertia of the box causes moving forward and knocking
it to resist motion and against the driver compartment
remain at rest. when the lorry stops suddenly.
Steel structure
Drying hair
A girl dries her hair by turning her head
fast. Due to inertia, the water from the
hair continues to move when the hair has
stopped moving and hence is removed from
the hair.
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