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Gravity, Motion, And Newton's Laws
Test Description: Gravity, Motion, and Newton's Laws
Instructions: Answer all questions to get your test result.
1) Without air resistance, all objects should:
A
fall at the same rate.
B
slow down.
C
stop falling.
D
fall at different rates.
2) A force that opposes the motion of objects through air.
A
terminal velocity
B
air resistance
C
mass
D
free fall
3) The motion of a falling object when the only force acting on it is gravity (no air resistance).
A
orbit
B
terminal velocity
C
free fall
D
air resistance
4) Falling objects will fall faster and faster until they reach:
A
free fall
B
gravity force
C
orbit
D
terminal velocity
5) What are the two main forces acting on a falling object?
A
mass and distance
B
force and roughness
C
free fall and terminal velocity
D
gravity and air resistance
6) The curved path that objects make when they are launched near the surface of the earth.
A
free fall
B
projectile motion
C
orbit
D
terminal velocity
7) When an object is traveling around another object in space.
A
free fall
B
terminal velocity
C
projectile motion
D
orbit
8) The tendency of an object to resist a change in motion.
A
terminal velocity
B
projectile motion
C
inertia
D
free fall
9) Objects at rest:
A
always move.
B
tend to stay at rest.
C
tend to move.
D
always stay at rest.
10) What makes objects in motion stop moving?
A
mass
B
distance
C
inside forces
D
outside forces
11) Acceleration depends on:
A
force and roughness
B
speed and direction
C
mass and distance
D
mass and force
12) To move a mass, you need a____________.
A
speed
B
direction
C
force
D
friction
13) For every action, there is a__________________.
A
mass
B
balanced force
C
reaction
D
air resistance
14) If an object orbiting planet earth was not moving forward, the only force acting on it would be:
A
air resistance
B
gravity
C
friction
D
terminal velocity
*select an answer for all questions
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