Transcript OWL Ch02 Review Game

THIS
IS
With Your
Host...
Modified
T/F
Modified
T/F
Multiple
Choice
Multiple
Choice
Completion
Completion
100
100
100
100
100
100
200
200
200
200
200
200
300
300
300
300
300
300
400
400
400
400
400
400
500
500
500
500
500
500
Balanced forces acting on an
object cause the object to
accelerate.
A 100
False; Unbalanced
A 100
DAILY
Place A Wager
DOUBLE
A 200
When you push downward on
Earth to make a pole vault,
Earth exerts an equal force on
the pole.
A 200
True
A 200
A ball is thrown horizontally.
Gravity causes the ball to
continue to move horizontally.
A 300
False; Inertia
A 300
An object with a mass of 9.0
kg has an acceleration of 3
m/s2. The force acting on it is
3 N.
A 400
False; 27 N
A 400
If you throw a ball into the air, Earth
exerts a force on the ball. The ball in
the air exerts no force.
A 500
False; a force on Earth
A 500
Friction is a force that speeds
up motion between two
surfaces that are in contact.
B 100
False; slows down
B 100
When you ride your bike around
a corner at 10 m/s, you are
accelerating.
B 200
True
B 200
Acceleration is caused by any forces.
B 300
False; unbalanced
B 300
Cars, airplane wings, and bike
helmets are built in a streamlined
shape to reduce inertia.
B 400
False; air resistance
B 400
Sliding friction keeps you in the
seat when a car goes around a
corner.
B 500
False; Static
B 500
Which of the following is an example of a
noncontact force?
a. musician playing piano
b. athlete hitting a ball with a bat
c. a ball falling after you toss it in the air
d. karate expert breaking a stack of wood
C 100
Which of the following is an example of a
noncontact force?
c. a ball falling after you toss it in the air
C 100
An arrow can be used to represent a
force. The length of the arrow represents
_____.
a. direction of the force
b. strength of the force
c. mass of the force
d. acceleration of the force
C 200
An arrow can be used to represent a
force. The length of the arrow represents
_____.
b. strength of the force
C 200
Which of the following best completes
the phrase?
For every action there is _____.
a. a reaction
b. an equal reaction
c. an opposite reaction
d. an equal and opposite reaction
C 300
Which of the following best completes
the phrase?
For every action there is _____.
d. an equal and opposite reaction
C 300
DAILY
Place A Wager
DOUBLE
C 400
Fred (m = 67 kg) foolishly attempts
to jump from a canoe (m = 45 kg) to
the dock. If he jumps forward with a
speed of 3.3 m/s, how fast will the
canoe move backward?
a. 2.2 m/s
b. 22 m/s
c. 4.9 m/s
d. 49 m/s
C 400
Fred (m = 67 kg) foolishly attempts
to jump from a canoe (m = 45 kg) to
the dock. If he jumps forward with a
speed of 3.3 m/s, how fast will the
canoe move backward?
c. 4.9 m/s
C 400
A planet is discovered that is the same size
as Earth and has the same gravitational
acceleration, but has twice the mass. If you
weigh 700 N on Earth, on the new planet
you would weigh ____.
a. 350 N
b. 700 N
c. 1,400 N
d. 2,800 N
C 500
A planet is discovered that is the same size
as Earth and has the same gravitational
acceleration, but has twice the mass. If you
weigh 700 N on Earth, on the new planet
you would weigh ____.
c. 1,400 N
C 500
Which of the following is a force?
a. inertia
b. friction
c. acceleration
d. velocity
D 100
Which of the following is a force?
b. friction
D 100
Unbalanced forces can make an
object accelerate by _____.
a. changing its speed
b. changing its direction
c. both a and b
d. neither a nor b
D 200
Unbalanced forces can make an
object accelerate by _____.
c. both a and b
D 200
DAILY
Place A Wager
DOUBLE
D 300
Which of the following keeps a satellite in
orbit?
a. frictional force
b. kinetic force
c. centripetal force
d. acceleration force
D 300
Which of the following keeps a satellite in
orbit?
c. centripetal force
D 300
The relationship among force, mass, and
acceleration is stated in ____.
a. the law of conservation of momentum
b. Newton's first law of motion
c. Newton's second law of motion
d. Newton's third law of motion
D 400
The relationship among force, mass, and
acceleration is stated in ____.
c. Newton's second law of motion
D 400
The force that opposes motion is ____.
a. a balanced force
b. an unbalanced force
c. an accelerating force
d. friction
D 500
The force that opposes motion is ____.
d. friction
D 500
DAILY
Place A Wager
DOUBLE
E 100
If you are riding on a skateboard
and it stops suddenly, your body
keeps moving forward. This is
because of
____________________.
E 100
inertia
E 100
Speeding up, slowing down, and
going around curves are
examples of
____________________.
E 200
acceleration
E 200
Mike has a mass of 60 kg. He pulls on a
wagon of mass 30 kg with a force of 20
N. The wagon remains motionless. The
wagon exerts a force of
____________________ on Mike.
E 300
20 N
E 300
A car going around a corner, hits
an icy path, and skids off the road.
This represents a change from
rolling friction to
____________________ friction.
E 400
sliding
E 400
To keep a sled accelerating downhill, the
force of gravity must be greater than the
____________________ force.
E 500
normal friction
E 500
____________________ is the
tendency of an object to resist any
change in its motion.
F 100
Inertia
F 100
Newton's first law of motion
states that an object stays in
constant motion unless a(n)
____________________ force
acts on it.
F 200
unbalanced
F 200
A rocket launching is an example of
Newton's ____________________ law.
F 300
third
F 300
Forces that change an object's motion by
touching the object are
____________________ forces.
F 400
contact
F 400
A(n) ____________________ is a
push or pull that one object exerts
on another.
F 500
force
F 500
The Final Jeopardy Category is:
Forces
Please record your wager.
Click on screen to begin
Identify two pairs of action-reaction
forces involving the rope.
Click on screen to continue
black dog on rope;
rope on black dog;
white dog on rope;
rope on white dog
Click on screen to continue
Thank You for Playing Jeopardy!
Game Designed By C. Harr-MAIT
Edited By Laura