Scalar And Vector Quantity

Which of the following is a physical quantity that has a magnitude but no direction?

• Vector

• Frame of reference

• Resultant

• Scalar

Multiplying or dividing vectors by scalars results in:

• Vectors if multiplied or scalars if divided

• Scalars if multiplied scalars

• Scalars

• Vectors

Identify the following quantities as scalar or vector: the mass of an object, the number of leaves on a tree, wind velocity.

• Vector, scalar, scalar

• Vector, scalar, vector

• Scalar, scalar, vector

• Scalar, vector, vector

Which of the following is an example of a vector quantity?

• Temperature

• Velocity

• Volume

• Mass

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Which of the following is a physical quantity that has both magnitude and direction?

• Vector

• Scalar

• Frame of reference

• Resultant

Identify the following quantities as scalar or vector: the speed of a snail, the time it takes to run a mile, the free-fall acceleration.

• Vector, scalar, scalar

• Scalar, scalar, vector

• Vector, scalar, vector

• Scalar, vector, vector

An ant on a picnic table travels 3.0*10^1 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the magnitude of the ant's displacement relative to its original position?

• 29 cm

• 70 cm

• 57 cm

• 52 cm

For the winter, a duck flies 10.0 m/s due south against a gust of wind with a speed of 2.5 m/s. What is the resultant velocity of the duck?

• -7.5 m/s south

• 12.5 m/s south

• 7.5 m/s south

• -12.5 m/s south

Tags

NGSS.HS-PS2-1

In a coordinate system, a vector is oriented at an angle with respect to the x-axis. The y-component of the vector equals the vector's magnitude multiplied by which trigonometric function?

• Tan angle

• Cos angle

• Cot angle

• Sin angle

In a coordinate system, a vector is oriented at an angle with respect to the x-axis. The x-component of the vector equals the vector's magnitude multiplied by which trigonometric function?

• Tan angle

• Cos angle

• Cot angle

• Sin angle