Transcript Newton`s 1st Law

Newton’s 1st
Law
Newton’s 2nd
Law
Newton’s 3rd
Law
Gravity
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Newton's 1st Law- $100
Objects in motion will
______ in motion
unless acted on by an
unbalanced force.
Newton's 1st Law- $100
What is remain?
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Newton's 1st Law- $200
The ability of an object
to resist a change in
motion.
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What is inertia?
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Two people are pushing a
crate in opposite directions
One is pushing to the left
with 50N. The other is
pushing right with 45N.
What direction is the box
moving?
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What is left (with 5N)?
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A ball is rolling across
the hall. No one
touches it. Describe
what will happen to the
ball.
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What is it will eventually
stop due to friction?
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Explain the following in terms
st
of the 1 Law: To dislodge
ketchup from the bottom of a
ketchup bottle, it is often turned
upside down and, shaken
downward at high speeds and
then abruptly halted.
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Because of inertia,
when the bottle is
stopped abruptly the
ketchup will continue to
move in a downward
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direction.
Newton's 2nd Law - $100
This is the formula that goes
nd
with the 2 Law.
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What is Force = Mass x
Acceleration?
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Calculate the for force
of an object with a mas
of 5kg moving 10 m/s/s.
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What is 50N?
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You are pushing a friend on
a sled. You push with a force
of 75 N. Your friend and the
sled together have a mass of
37.5 kg. Determine the
acceleration of the sled?
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What is 2 m/s/s?
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Gravity accelerates any
2
object falling at 9.8 m/s .
What is the force that will
be applied to the ground if
an 88 kg box falls from the
top of a shelf to the ground
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What is 862.4N?
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200N of force is exerted
on a object moving at
10 m/s/s. Determine
the mass of the object.
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What is 20 kg?
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Newton's 3rd Law - $100
For every action, there
is an _____ and ____
reaction.
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What is equal and
opposite?
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Action and reaction
forces _____cancel
each other out.
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What is do not?
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The same force acts on
two objects with
different masses.
Determine which mass
will have a higher
acceleration.
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What is the object with
less mass?
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Newton’s third law only
applies forces acting on
______ objects.
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What is two?
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Describe how a squid is
able to move through
the water.
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The squid expels water
(action force) and the
water pushes back on
the squid (reaction
force) propelling it
Back through the water.
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This is the force that
pulls all objects toward
each other.
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What is gravity?
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This is the rate at which
objects free fall.
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What is 9.8 m/s/s?
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An object thrown will fall
_ ___ ___ ___ as an
object that is dropped.
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What is “at the same
time”?
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This can affect the free fall of
an object.
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What is air resistance?
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This is the measure of
the pull of gravity on
objects.
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What is weight?
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This causes the planets
to stay in orbit around
the sun.
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What is gravity?
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On the moon, our mass
remains the ___.
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What is same?
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On the moon, our
_______ changes due
to the different pull of
gravity.
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What is weight?
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This law states that the
force of gravity acts
between all objects in
the universe.
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What is The Law of
Universal Gravitation?
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Explain how astronauts
are able to land on the
moon.
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What is the moon’s
gravitational pull is
stronger than the
Earth’s?
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