Scalars And Vectors

Question 1

Scalar

Answer 1

Physical qualities described by a number

Question 2

Scalar examples

Answer 2

Length

Speed

Volume

Question 3

Vector

Answer 3

Require both magnitude and direction

Question 4

Vector examples

Answer 4

Velocity

Force

Displacement

Question 5

Multiplying positive number by a vector

Answer 5

Direction remains the same , magnitude changes by X amount

Question 6

Multiplying a negative number by a vector

Answer 6

Direction reverses , magnitude changes by X amount

Question 7

Vector subtraction

Answer 7

When a vector is added by negative number, magnitude is the same , direction is reversed by 180 degrees

Question 8

Equal vectors

Answer 8

Same magnitude and same direction

Question 9

Vector components

Answer 9

Two perpendicular vectors that are parallel to the X and Y axis

Question 10

Scalar component

Answer 10

Positive or negative value (direction)

Question 11

Distance

Answer 11

Total length of travel (scalar)

Question 12

Displacement

Answer 12

Change in position of the object (vector)

Question 13

Speed

Answer 13

Total distance traveled/elapsed time

Scalar

Never negative value

Question 14

Velocity

Answer 14

Displacement/ elapsed time

Vector

Question 15

Acceleration

Answer 15

Change in velocity over time

Vector

Acceleration = slope of velocity