Scalar vs. Vector
Resultant vector
(0 and 180)
(0 and 180)
Resultant Vector (90)
Vector Components
Mix questions
100
What is a scalar quantity
A scalar quantity has only magnitude and no direction
100
How do you find the resultant of the two vectors in the same direction?
Add their magnitudes
100
How do you find the resultant for perpendicular vectors?
a2+b2=c2
100
What is the magnitude of the eastward component of the velocity of an airplane flying at 612 kilometers per hour in a direction 40.0° north of east?
469 km/h
100
A girl leaves a history classroom and walks 10. meters north to a drinking fountain. Then she turns and walks 30. meters south to an art classroom. What is the girl’s total displacement from the history classroom to the art classroom?
20m South
200
What is a vector quantity?
Quantity with magnitude and direction
200
How do you find the resultant of the two vectors in the opposite direction
Subtract their magnitudes and take the direction of the larger vector
200
Calculate the magnitude of a vector with the components 3N East and 4N North
5N
200
An airplane flies with a velocity of 750. kilometers per hour, 30.0º south of east. What is the magnitude of the eastward component of the plane’s velocity?
650 km/h
200
Calculate the resultant of vector 9N West and 15N South
17.5 (SW)
300
Give example of scalar quantity
Examples include temperature, mass, time, speed, distance
300
Resultant of 3 units right and 4 units right:
7 units right
300
A vector has a components of 5N and 12N what is it's magnitude
13N
300
Into how many possible components can a single force be resolved?
A) an unlimited number
B) two components
C) three components
D) four components at right angles to each other
A) an unlimited number
300
Calculate the resultant of vector 11N north and 5N East
12.8N (NE)
400
Give an example of vector quantity
Force, acceleration, displacement, velocity..
400
Calculate the resultant of two vectors: 7n North and 4n South
3n North
400
Find the magnitude and direction of a vector with the components 6N (S) and 8N (E)
10N (SE)
400
A displacement vector with a magnitude of 20. meters could have perpendicular components with magnitudes of
A) 10. m and 10. m
B) 12 m and 8.0 m
C) 12 m and 16 m
D) 16 m and 8.0 m
12 m and 16 m
400
A child walks 5.0 meters north, then 4.0 meters east, and finally 2.0 meters south. What is the magnitude of the resultant displacement of the child after the entire walk?
5m
500
Explain how scalar quantities are added
Add the magnitudes
500
Calculate the resultant of two vectors: 10 N East and 6 N West.
The resultant vector is 4 N East.
500
Forces F1 and F2 act concurrently on point P, as shown in the diagram below. What force balances these two. Give magnitude and direction.
14 N southwest
500
The component of the 300.-newton force that acts perpendicular to the ground is approximately
A) 150. N
B) 260. N
C) 300. N
D) 350. N
260. N
500
Draw the vector that will produce equilibrium with these two vectors.
