Transcript Forces and Motion Jeopardy

Matter
in Motion
Forces
Work &
Machines
Energy
Magnetism &
Electricity
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From the list below,
_______ is a measure of
velocity.
A). 16 m/s/s
B). -20 m/s/s west
C). -50 k/h east
D). -80 sec/min
C). -50 k/h east
On a speed-time graph,
a flat line represents
___________ acceleration.
zero acceleration
What is the average
speed of an object
that travels 100 m in
10 seconds?
What is…10 m/s?
If there is no air resistance
and you drop a 25 kg cannon
ball and a 5 kg bowling,
which ball will fall the
fastest?
What is…neither; they
will fall at the same
rate.
After 30 minutes, Kyle returns to his home.
How would the graph below look then?
What is…the slope would
slant downward.
Friction acting on a rolling ball
to eventually bring it to a stop is
an example of …
A). gravity
B). inertiabalanced force
C). air resistancen unbalanced
D). an unbalanced forcection
/reaction
What is…
D). an unbalanced force
Of the following, _____ is a
situation with balanced forces.
A) a bicycle accelerating downhill.
B) a car coming to a sudden stop.
C) a child bouncing on a trampoline.
D) a cat sitting on a windowsill.
What is…D) a cat on a
windowsill
What is the net force
on an object when
you combine a force
of 10 N north with a
force of 5 N south?
What is… 5N
+
north?
=
What two factors
determine the strength
of the gravitational
force between two
objects?
What is… the mass of the
objects and the distance
between them.
On Earth, an astronaut has a mass of 140
kg. When the astronaut goes into space, he
will have…
A)
B)
C)
D)
a mass of 140 kg, but less weight.
less mass and less weight.
a mass of 140 kg and a weight of 140 kg.
less mass and a weight of 140 kg.
What is…A). a mass of
140 kg, but less weight.
In which situation is a person doing work on
an object?
A) An athlete lifts a barbell that weighs 10N.
B) A student walks while wearing a
backpack that weighs 15 N.
C) A man pulls with 350 N force on a rope
attached to a house.
D) A worker holds a box 1 m off the floor.
What is… A) A
weightlifter lifts a barbell
that weighs 10 N.
How does a single fixed pulley make work
easier?
A). It reduces the size of the effort force.
B). It increases the mass of the load.
C). It changes the direction of the force.
D). It multiples the effort force and
changes the direction of the force.
What is…
C). It
changes the
direction of
the force.
Both the wedge and the lever are
used in the operation of a
___________.
A) garden shovel
B) door
C) block & tackle
D) steering wheel
What is …
A) garden
shovel
In which class of lever is
the output force ALWAYS
greater than the input
(effort) force?
What is… a
second-class lever
A winding road is a series of inclined
planes. How does a winding road make it
easier for vehicles to travel up a hill?
What is… apply a
smaller force over a
longer distance.
Which is an example of a
potential energy?
A). A falling apple.
B). A flowing river
C). Your uneaten lunch
D). A flying plane
What is …
C). Your uneaten lunch
When energy changes from one
form to another, some of the energy
ALWAYS changes into _________
because of friction.
What is… thermal energy
At what point in the pendulum’s swing
does it have the MOST kinetic energy
and the LEAST potential energy?
D
What is…Point C (most KE)
D
What happens to a substance’s temperature
during a change of state? The temperature
_____________.
A) rises.
C) stays the same.
B) falls.
D) rises and falls wildly.
What is … C) stays the same.
Two ways that heat can be
transferred by collisions of
particles in matter are…
A). radiation and convection
B). convection and conduction
C). conduction and radiation
D). conduction and temperature
What is…
B). convection and conduction
If you hold the
opposite poles of two
magnets together, the
magnets will
__________________.
What is …
attract?
A thick, short wire has
_______________
resistance than a long,
thin wire.
What is… less
resistance?
If bulb one goes out, bulbs 2 and
3 will ______________?
What is… go out.
What will happen to the current and
resistance if a third bulb is added to the
circuit below?
What is… current will increase and
resistance will decrease.
Two ways to increase the
magnetic field of a solenoid
are…
What is…
*Add loops of wire
**Increase voltage
***Add an iron core