Gravity, Motion, And Newton's Laws Question Preview (ID: 33023)
Gravity, Motion, And Newton's Laws.
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Without air resistance, all objects should:
a) fall at different rates.
b) fall at the same rate.
c) stop falling.
d) slow down.
A force that opposes the motion of objects through air.
a) terminal velocity
b) mass
c) air resistance
d) free fall
The motion of a falling object when the only force acting on it is gravity (no air resistance).
a) orbit
b) air resistance
c) terminal velocity
d) free fall
Falling objects will fall faster and faster until they reach:
a) free fall
b) terminal velocity
c) orbit
d) gravity force
What are the two main forces acting on a falling object?
a) gravity and air resistance
b) force and roughness
c) free fall and terminal velocity
d) mass and distance
The curved path that objects make when they are launched near the surface of the earth.
a) projectile motion
b) terminal velocity
c) free fall
d) orbit
When an object is traveling around another object in space.
a) terminal velocity
b) orbit
c) projectile motion
d) free fall
The tendency of an object to resist a change in motion.
a) terminal velocity
b) free fall
c) inertia
d) projectile motion
Objects at rest:
a) tend to stay at rest.
b) tend to move.
c) always stay at rest.
d) always move.
What makes objects in motion stop moving?
a) inside forces
b) outside forces
c) mass
d) distance
Acceleration depends on:
a) speed and direction
b) force and roughness
c) mass and distance
d) mass and force
To move a mass, you need a____________.
a) direction
b) force
c) speed
d) friction
For every action, there is a__________________.
a) air resistance
b) balanced force
c) reaction
d) mass
If an object orbiting planet earth was not moving forward, the only force acting on it would be:
a) gravity
b) air resistance
c) friction
d) terminal velocity
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