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Motion And Forces
Test Description: Motion and Forces
Instructions: Answer all questions to get your test result.
1) When an object follows a curved path around another object, we say that it is in _________________.
A
rotation
B
gravity
C
orbit
D
average speed
2) A change in position over time is ____________________.
A
reference point
B
direction
C
motion
D
vector
3) What does an upward, steady slope on a distance vs. time graph represent?
A
negative acceleration
B
no motion
C
constant motion
D
positive acceleration
4) What does a steady, upward slope on a velocity vs. time graph represent?
A
an increase in velocity
B
a decrease in velocity
C
constant velocity
D
no motion
5) A track athlete is running the 100 meter dash. What other information do you need to calculate the runner's average speed?
A
how many steps it takes the runner
B
the direction the runner is going
C
which lane the runner is in
D
the time it takes to run
6) The attractive force between all matter in the universe is known as
A
motion
B
magnetism
C
gravity
D
centripetal force
7) Which of the following is a contact force?
A
the moon orbiting Earth
B
two magnets being pushed apart
C
two magnets being pulled together
D
air resistance while falling
8) A velocity vector is an arrow that shows
A
speed and magnitude
B
magnitude and acceleration
C
direction and speed
D
direction and distance
9) The force of gravity on an object refer's to that objects...
A
volume
B
weight
C
mass
D
size
10) An object's resistance to a change in motion is referred to as its
A
inertia
B
gravity
C
mass
D
net force
11) Force over an area is
A
net force
B
balanced forces
C
pressure
D
unbalanced forces
12) Aurora lights are evidence of
A
Earth's magnetic field
B
Earth's orbit around the sun
C
tides
D
the moon's orbit around Earth
13) What is net force?
A
an object's change in position over time
B
the combination of all forces acting on an object
C
balanced forces
D
unbalanced forces
14) What force is responsible for making aircraft carriers float?
A
magnetism
B
gravity
C
buoyant force
D
balanced forces
15) Which results in the change of an object's motion?
A
mass and distance
B
net force of zero
C
unbalanced force
D
balanced force
*select an answer for all questions
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