(PHYSICS QUIZ) Vector

A vector represents ........... of a quantity

• Magnitude and direction

• Magnitude

• Direction

• None of them

• Magnitude or direction

Between the quantities below, what are the quantities that can be considered a vector?
(Note: There are more than one answer)

• Temperature

• Force

• Displacement

• Speed

• Work

Between the quantities below, what are the quantities that can be considered a scalar?
(Note: There are more than one answer)

• Temperature

• Force

• Displacement

• Speed

• Work

What do component vectors represents?
(Note: There are more than one answer)

• Projections of a vector in x and y axis

• Projections of two vectors in x, y, and z axis

• Projections of a vector in x, y, and z axis

• Projections of two vectors in x and y axis

• None of them

Below are the vector operations, except.........

• Dot product

• Subtraction

• Addition

• Cross product

• Division

A vector Fa has the magnitude of 10 N and leans towards the north, while another vector Fb has the magnitude of 20 N and leans towards the east. What is the magnitude and direction of the resultant vector?

• 20 N and towards the northeast

• 25 N and towards the northwest

• 20 N and towards the northwest

• 25 N and towards the northeast

• 20 N and towards the east

What is the magnitude of vector C?

• 5 miles

• 10 miles

• 12 miles

• 15 miles

• 18 miles

The direction of the resultant vector of two vectors with the same 90 degrees direction will also be 90 degrees.

• True

• False

The magnitude of a resultant vector is affected by the directions of its original vectors.

• True

• False

The direction of a resultant vector is not affected by the magnitudes of its original vectors.

• True

• False