1.1 Scalars and Vectors in One Dimension

A quantity that has both magnitude and direction is called a

• vector
• constant
• magnitude
• scalar

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Magnitude means....

• type of music.

• measure of temperature.

• speed of an object.

• amount

A quantity that is only a magnitude is called a

• matrix
• tensor
• vector
• scalar

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A speedometer measures how fast a car is moving. Would this be a Scalar or a Vector.? Why?

• Acceleration, it carries info about NSEW.

• Vector, it carries info about direction

• Momentum, it tells us the movements

• Scalar, it carries no info about direction

Is Velocity a Vector?

• Velocity is the same as speed.
• Velocity is a scalar.
• Velocity has no direction.
• Yes, velocity is a vector.

when a toy bus collides with a pencil, what type of velocity does it have?

• Momentary zero velocity

• Positive Constant velocity

• Negative Average velocity

• Final velocity

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when a toy bus collides with a pencil, and then moves backwards, what type of velocity does it have?

• Final Slower negative velocity

• Momentary zero velocity

• Initial positive velocity

• Average

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The Toy bus's speed is slower after the collision. Would this make the line closer of farther from the X-axis?

• The line would be closer to the X-axis.
• The line would move upward away from the X-axis.
• The line would remain unchanged from the X-axis.
• The line would be farther from the X-axis.

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Is distance also a scalar?

• Distance is a vector.
• Distance can be negative.
• Distance is only relevant in physics.
• Yes, distance is a scalar.

Is the time between two events also a scalar?

• Time is only relevant in three-dimensional space.
• Time can be both scalar and vector depending on context.
• yes, the time between two events is also a scalar.

• NO. velocity like apple pies.