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PS2.A - Forces And Motion - Level 3
Test Description: PS2.A - Forces and Motion - Level 3
Instructions: Answer all questions to get your test result.
1) A place or object used for comparison to determine if an object is in motion
A
relative
B
absolute
C
Newton (N)
D
reference point
2) An object at rest will stay at rest, and an object in motion will stay in motion, unless acted on by an unbalanced force.
A
1st law of motion
B
3rd law of motion
C
all of the answer choices
D
2nd law of motion
3) describes motion produced by unbalanced forces (Force= mass X acceleration)
A
all of the answer choices
B
3rd law of motion
C
2nd law of motion
D
1st law of motion
4) For every action there is an equal and opposite reaction
A
2nd law of motion
B
all of the answer choices
C
1st law of motion
D
3rd law of motion
5) The tendency of an object to resist a change in motion
A
F=ma
B
action = reaction
C
all of the answer choices
D
inertia
6) The rate at which velocity changes
A
inertia
B
average speed
C
velocity
D
acceleration
7) the speed of an object in a particular direction
A
average speed
B
velocity
C
acceleration
D
inertia
8) The experimental factor that is manipulated; the variable whose effect is being studied.
A
experimental trials
B
dependent variable
C
controlled variables
D
independent variable
9) The action and reaction pair of forces that occur in an interaction.
A
force pair
B
reference point
C
F=ma
D
inertia
10) Forces that produce a nonzero net force, which changes an object's motion
A
normal forces
B
unbalanced forces
C
balanced forces
D
reference point
11) forces acting on an object that combine and form a net force of zero
A
balanced forces
B
normal forces
C
reference point
D
unbalanced forces
*select an answer for all questions
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