Vectors in 2D

Question 1

what is a scalar?

Answer 1

a physical quantity that has a magnitude only.

Question 2

what is a vector?

Answer 2

a physical quantity that has both magnitude and direction.

Question 3

Examples of scalars

Answer 3

any of these (time, speed, distance,mass, energy,density, power,temprature,work, volume, area, length)

Question 4

Examples of vectors

Answer 4

any of these (displacement, acceleration,velocity,weight,force,impulse,gravity,momentum, pressure)

Question 5

Resultant vector

Answer 5

a single vector that has the same effect as two or more vectors acting together.