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Motion And Force Review
Test Description: Test review!
Instructions: Answer all questions to get your test result.
1) What is the name of Newton's first law of motion?
A
law of opposing forces
B
law of acceleration
C
law of inertia
D
law of objects at rest
2) What is friction?
A
the opposite of inertia
B
the opposing force of gravity
C
a force that keeps objects moving in a straight line
D
an opposing force between two objects
3) Complete this sentence: Objects at rest tend to
A
remain at rest
B
create friction
C
change direction
D
move in a straight line
4) An object stays at rest until what happens to it?
A
an outside or unbalanced force acts upon the object
B
inertia releases it.
C
gravity overcomes friction
D
friction builds up and moves the object
5) What is the formula for force?
A
Force= acceleration/mass
B
Force= mass X velocity
C
Force= mass/acceleration
D
Force= mass X acceleration
6) What does Newton's second law of motion describe?
A
the relationship between force, mass, and acceleration
B
an outside force stopping or changing an object's speed or direction
C
an action causing a reaction
D
intertia
7) How much force is needed to accelerate a 2000-kg at 5 meters per second per second?
A
10000N
B
1000 N
C
500 N
D
400 N
8) What is the unit of acceleration?
A
kg (m/s)
B
m/s/s
C
m/s
D
m2/s
9) When friction is involved, what can an outside force do to a moving object?
A
change the objects speed or direction
B
nothing
C
change the object's direction only
D
change the object's speed only
10) What is acceleration?
A
change in velocity/change in time
B
change in mass/change in volume
C
change in distance/ change in time
D
change in pressure/ change in time
*select an answer for all questions
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