Vectors in two dimensions

Question 1

Scalar

Answer 1

A physical quantity that has only magnitude

Question 2

Vector

Answer 2

A physical quantity that has both magnitude and direction

Question 3

Resultant vector

Answer 3

A single vector that has the same effect as a combination of vectors

Question 4

Normal Force

Answer 4

Is the force that a surface exerts on an object in contact to the surface perpendicular to the surface

Question 5

Friction force

Answer 5

Is a force that opposes the motion of an object and is parallel to the surface

Question 6

Static friction

Answer 6

Is a force that counteracts the tendency of movement of a stationary object relative to a surface

Question 7

Kinetic friction

Answer 7

Is the force that counteracts the tendency of movement of a moving object relative to the surface