PS2.A - Forces And Motion - Level 3 Question Preview (ID: 62686)


PS2.A - Forces And Motion - Level 3. TEACHERS: click here for quick copy question ID numbers.

A place or object used for comparison to determine if an object is in motion
a) reference point
b) Newton (N)
c) relative
d) absolute

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) 2nd law of motion
c) 3rd law of motion
d) all of the answer choices

describes motion produced by unbalanced forces (Force= mass X acceleration)
a) 2nd law of motion
b) 1st law of motion
c) 3rd law of motion
d) all of the answer choices

For every action there is an equal and opposite reaction
a) 3rd law of motion
b) 2nd law of motion
c) 1st law of motion
d) all of the answer choices

The tendency of an object to resist a change in motion
a) inertia
b) action = reaction
c) F=ma
d) all of the answer choices

The rate at which velocity changes
a) acceleration
b) velocity
c) average speed
d) inertia

the speed of an object in a particular direction
a) velocity
b) acceleration
c) average speed
d) inertia

The experimental factor that is manipulated; the variable whose effect is being studied.
a) independent variable
b) dependent variable
c) controlled variables
d) experimental trials

The action and reaction pair of forces that occur in an interaction.
a) force pair
b) inertia
c) F=ma
d) reference point

Forces that produce a nonzero net force, which changes an object's motion
a) unbalanced forces
b) balanced forces
c) reference point
d) normal forces

forces acting on an object that combine and form a net force of zero
a) balanced forces
b) unbalanced forces
c) reference point
d) normal forces

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