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- Multiple ChoicePlease save your changes before editing any questions.
The school redord for the 100 meter dash is 12 m/s
Speed
Velocity
- Multiple ChoicePlease save your changes before editing any questions.
We are experiencing 20mi/h winds from southeast today
Velocity
Speed
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The runner jogged 1 mile north and 0.5 mile east in 12 minutes
Velocity
Speed
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Teh driveer got a ticket for traveling 15 mi/h over the speed limit
Speed
Velocity
- Multiple ChoicePlease save your changes before editing any questions.
_______ quantity is a value or measurement that has magnitude, or size, only.
A Velocity
A Scalar
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_____ are examples of scalar quantities
mass, time, distance
velocity, time, distance
energy, work, force
torque, mass, time
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If the forces are balanced, they will cause a change in the object’s velocity
FALSE
TRUE
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changes in velocity may occur as changes in the magnitude, direction, or both.
TRUE
FALSE
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Acceleration
A change in an object’s velocity
A change in the distance
when the velocity is constant
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If a forece acts on the object in a direction parallel to the velocity,
the velocity´s magnitude changes
the acceleration magnitude changes
the velocity´s magnitude does not change
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Which term most correctly completes this sentence? "A Vector can be resolved into two or more_________that point in different directions"
Component vectors
pieces
arrows
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Two or more vectors added together_______
give a resultant vector
result in a scalar
multiplies their magnitudes
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What do all vectors and scalars have?
Magnitude
Velocity
Orientation
Direction
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Vectors are most often represented in diagrams by______
Arrows
axes
numbers
bars
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following is a vector quantity?
a distance of 25 km along Highway 66
a difference of 6°C between point A and point B
an increase in a mass of 14 kg
a velocity of 2 m/s to the left