200 - jessicarenzi

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Transcript 200 - jessicarenzi

Force and
Motion
Assessment
Jeopardy
Gravity & Gravity & Newton’s
Motion 1 Motion 2
Laws
Momentum
100
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200
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300
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300
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400
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400
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500
500
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500
21 & 22
1.
2.
3.
4.
If a baseball and a cannonball are
dropped from the same height at
the same time, which ball will hit the
ground first?
The cannonball
The baseball
The balls land at the
same time.
The ball with the
larger volume
1.
2.
3.
4.
If a baseball and a cannonball are
dropped from the same height at
the same time, which ball will hit the
ground first?
The cannonball
The baseball
The balls land at the
same time.
The ball with the
larger volume
Return to Jeopardy Board
What feature of an object does
NOT affect air resistance?
Its sizes
2. Its chemical properties
3. Its shape
4. Its speed
1.
What feature of an object does
NOT affect air resistance?
Its sizes
2. Its chemical properties
3. Its shape
4. Its speed
1.
Return to Jeopardy Board
Why do astronauts in space appear
weightless?
There is no gravity in space.
2. Air resistance opposes gravity
3. They have no mass in space
4. They are in free fall
1.
Why do astronauts in space appear
weightless?
There is no gravity in space.
2. Air resistance opposes gravity
3. They have no mass in space
4. They are in free fall
1.
Return to Jeopardy Board
Which is true about the reaction
force of a chair you are sitting on?
The force is greater than your
weight
2. The force is equal to your
weight
3. The force is determined by
many factors
4. The force varies
1.
Which is true about the reaction
force of a chair you are sitting on?
The force is greater than your
weight
2. The force is equal to your
weight
3. The force is determined by
many factors
4. The force varies
1.
Return to Jeopardy Board
Which is a common unbalanced
force acting on objects in motion?
inertia
2. acceleration
3. friction
4. speed
1.
Which is a common unbalanced
force acting on objects in motion?
inertia
2. acceleration
3. friction
4. speed
1.
Return to Jeopardy Board
When a bowling ball collides with a
bowling pin, the momentum of the
ball
1.
2.
3.
4.
Increases slightly as the
velocity of the pin increases
Decreases slightly as the
velocity of the pin increases
Decreases slightly as the
velocity of the pin decreases
Does not change at all
When a bowling ball collides with a
bowling pin, the momentum of the
ball
1.
2.
3.
4.
Increases slightly as the
velocity of the pin increases
Decreases slightly as the
velocity of the pin increases
Decreases slightly as the
velocity of the pin decreases
Does not change at all
Return to Jeopardy Board
The law of conservation of
momentum states that when two
objects collide, their combined
momentum
Increases after the collision
2. Remains the same after the
collision
3. Decreases after a collision
4. Cannot be determined after
the collision
1.
The law of conservation of
momentum states that when two
objects collide, their combined
momentum
Increases after the collision
2. Remains the same after the
collision
3. Decreases after a collision
4. Cannot be determined after
the collision Return to Jeopardy Board
1.
If an action is a cue ball hitting a
billiard ball, then the reaction force
is
Exerted on the table
2. Exerted on all the other
billiard balls
3. Not present
4. Exerted by the billiard ball on
the cue ball
1.
If an action is a cue ball hitting a
billiard ball, then the reaction force
is
Exerted on the table
2. Exerted on all the other
billiard balls
3. Not present
4. Exerted by the billiard ball on
the cue ball
1.
Return to Jeopardy Board
Which of the following objects has
the least accleration?
An empty shopping cart
pushed with a hard force
2. A full shopping cart pushed
with a hard force
3. An empty shopping cart
pushed with a light force
4. A full shopping cart pushed
with a light force
1.
Which of the following objects has
the least accleration?
An empty shopping cart
pushed with a hard force
2. A full shopping cart pushed
with a hard force
3. An empty shopping cart
pushed with a light force
4. A full shopping cart pushed
with a light force Return to Jeopardy Board
1.
When a moving bumper car collides
with a bumper car at rest, which of
the following occurs?
1.
2.
3.
4.
Momentum is transferred
to the car at rest
Momentum is transferred
to ground beneath the
cars.
Momentum is transferred
to the moving car
There is no transfer of
momentum
When a moving bumper car collides
with a bumper car at rest, which of
the following occurs?
1.
2.
3.
4.
Momentum is transferred
to the car at rest
Momentum is transferred
to ground beneath the
cars.
Momentum is transferred
to the moving car
There is no transfer of
momentum
Return to Jeopardy Board
A crumpled piece of paper hits the
ground before a flat sheet of paper
because
1.
2.
3.
4.
The acceleration of gravity is
greater on the crumpled paper
There is more air resistance
against the flat paper
The crumpled paper is more
massive
The crumpled paper is less
massive.
A crumpled piece of paper hits the
ground before a flat sheet of paper
because
1.
2.
3.
4.
The acceleration of gravity is
greater on the crumpled paper
There is more air resistance
against the flat paper
The crumpled paper is more
massive
The crumpled paper is less
massive.
Return to Jeopardy Board
Orbital motion is a combination of
forward motion and
1.
2.
3.
4.
Frictional resistance
Free fall
Horizontal acceleration
weightlessness
Orbital motion is a combination of
forward motion and
1.
2.
3.
4.
Frictional resistance
Free fall
Horizontal acceleration
weightlessness
Return to Jeopardy Board
According to Newton’s first law of
motion, a moving object that is not
acted on by an unbalanced force will
1.
2.
3.
4.
Remain in motion
Eventually come to a stop
Change its momentum
accelerate
According to Newton’s first law of
motion, a moving object that is not
acted on by an unbalanced force will
1.
2.
3.
4.
Remain in motion
Eventually come to a stop
Change its momentum
accelerate
Return to Jeopardy Board
What must you know to find the
momentum of an object?
1.
2.
3.
4.
Mass and acceleration
Acceleration and
force
Mass and velocity
Velocity and time
What must you know to find the
momentum of an object?
1.
2.
3.
4.
Mass and acceleration
Acceleration and
force
Mass and velocity
Velocity and time
Return to Jeopardy Board
What makes it harder to change the
motion of a watermelon than an
apple?
acceleration
2. momentum
3. mass
4. velocity
1.
What makes it harder to change the
motion of a watermelon than an
apple?
acceleration
2. momentum
3. mass
4. velocity
1.
Return to Jeopardy Board
Air resistance causes the speed of a
falling object to
increase
2. decrease
3. Remain unchanged
4. Become zero
1.
Air resistance causes the speed of a
falling object to
increase
2. decrease
3. Remain unchanged
4. Become zero
1.
Return to Jeopardy Board
A feather is in free fall when the
force of gravity
1.
2.
3.
4.
Is greater than the force of air
resistance
Is less than the force of air
resistance
Is equal to the forces of air
resistance
Is the only force acting on it
A feather is in free fall when the
force of gravity
1.
2.
3.
4.
Is greater than the force of air
resistance
Is less than the force of air
resistance
Is equal to the forces of air
resistance
Is the only force acting on it
Return to Jeopardy Board
A falling object’s terminal velocity is
reached when the force of gravity
1.
2.
3.
4.
Is greater than the
force of air resistance
Is less than the force
of air resistance
Is equal to the forces
of air resistance
Is the only force
acting on it
A falling object’s terminal velocity is
reached when the force of gravity
1.
2.
3.
4.
Is greater than the
force of air resistance
Is less than the force
of air resistance
Is equal to the forces
of air resistance
Is the only force
acting on it
Return to Jeopardy Board
Why do you have to aim above a
target that you want to hit with a
thrown object?
How does Newton’s second law
explain why it is easier to push a
bicycle than to push a car with the
same acceleration?
How does Newton’s third law
explain how a rocket takes off?
How can a sky diver benefit from
air resistance?