Download 7.7AC: Situaüons of Force Part I: Simple Machines Part I: Simple

7.7AC:
Situa,ons
of
Force
Force,
Mo)on,
and
Energy
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Part
I:
Simple
Machines
Part
II:
Fric,onal
Forces
Part
III:
Turgor
Pressure
Part
IV:
Geotrophism
Part
I:
Simple
Machines
1. What
two
things
are
required
for
work
to
occur?
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2. 
What
are
the
six
basic
simple
machines?
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3. 
How
does
an
inclined
plane
help
you
do
work?
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7.7AC:
Situa,ons
of
Force
Force,
Mo)on,
and
Energy
Part
II:
Fric,onal
Forces
1.  Name
two
ways
that
fric)on
can
be
helpful
in
everyday
life.
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2.
Name
two
ways
that
fric)on
may
be
harmful.
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3.
Explain
how
fric)on
can
cause
someone
to
slide
on
ice.
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4.
A
force
of
30
newtons
acted
over
an
area
of
three
square
meters.
Calculate
the
amount
of
pressure
that
was
used.
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Part
III:
Turgor
Pressure
1.  When
the
plant
cell
is
soP,
what
statement
can
you
make
about
the
amount
of
water
in
the
cell?
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2. How
does
having
soP
cells
affect
a
plant?
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3.  When
the
plant
cells
are
turgid,
what
statement
can
you
make
about
the
amount
of
water
in
the
cell?
________________________________________________________________________________
4.  How
does
having
turgid
cells
affect
a
plant?
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5.  In
thinking
about
forces,
what
does
the
water
do
to
the
plant
cells?
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7.7AC:
Situa,ons
of
Force
Force,
Mo)on,
and
Energy
Part
IV:
Geotrophism
1.  What
is
geotrophism?
?
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_______________________________________________________________________________
2.  What
part
of
a
plant
typically
has
posi)ve
geotrophism?
_________________________________
_______________________________________________________________________________
3.  What
part
of
a
plant
typically
has
nega)ve
geotrophism?
________________________________
_______________________________________________________________________________
4.  What
force
is
ac)ng
on
the
plants
to
cause
geotrophism?
________________________________
_______________________________________________________________________________
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