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Total questions: 25
Worksheet time: 24mins
What is the direction of the displacement if someone walks 10 km east and then 7 km north?
35 degrees north of east
55 degrees north of east
44 degrees north of east
46 degrees north of east
Which one of these does not show an example of Tip to Tail method?
What is the net (resultant) force?
100 N 230 N
<------ --------->
30 N to the right
230 N to the right
130 N to the left
130 N to the right
An airplane flies at 250 m/s to the east with respect to the air. The air is moving at 35 m/s to the north with respect to the ground. Find the resultant velocity of the plane with respect to the ground.
252 m/s
222 m/s
435 m/s
125 m/s
What vector gives the sum of these two vectors?
What is the sum of a vector addition problem called?
components
scalar
resultant
magnitude
This vector has...
one component (y)
two components (x and y)
one component (x)
length and degrees
In order to find the x-component of a vector with magnitute 7 m and angle 30° we will use the formula...
cos (30)
sin(30)
7*sin(30)
7*cos(30)
Determine the magnitude of the x-component of the velocity vector launched at 13 m/s with 55° to the ground.
10.64 m/s
0.28 m/s
7.45 m/s
20 m/s
How do you combine vectors if they are in opposite directions?
Add
Subtract (or add a negative)
Pythagorean Theorem
Use trigonometry
What is the net (resultant) force?
17 N Right
3 N Right
3 N Left
17 N Left
A sailboat on a lake sails 40. meters north, turns, and
then sails 40. meters due east. Compared to its
starting position, the new position of the sailboat
is
40. m due east
57 m due southwest
57 m northeast
80. m northeast
Which pair of quantities represent scalar
quantities?
displacement and velocity
displacement and time
energy and velocity
energy and time
A rope attached to a 500.-kilogram crate is used to exert a force of 45 newtons at an angle of 65 degrees above the
horizontal. The vertical component of the force acting
on the crate is
19 N
41 N
210 N
450 N
Two 20.-newton forces act concurrently on an object. What angle between these forces will produce a resultant force with the greatest magnitude?
0º
45º
90.º
180.º
The map below shows the route traveled by a school bus. What is the magnitude of the total displacement of the school bus from the start to the end of its trip?
400 m
500 m
800 m
1,800 m
A displacement vector with a magnitude of 20. meters could have perpendicular components with magnitudes of
10. m and 10. m
12 m and 8.0 m
12 m and 16 m
16 m and 8.0 m
The vector diagram below represents the horizontal component, FH, and the vertical component, FV, of a 24-newton force acting at 35° above the horizontal.
FH = 3.5 N and FV = 4.9 N
FH = 4.9 N and FV = 3.5 N
FH = 14 N and FV = 20. N
FH = 20. N and FV = 14 N
The diagram below represents a force vector, A and resultant vector, R.Which force vector B below could be added to force vector A to produce resultant vector, R.
What is the resultant of the two vectors shown above?
+5
-5
+15
-15
As the angle between two concurrent forces of 6.0 Newtons and 8.0 Newtons decreases from 180 to 0 degrees, its resultant changes between the values of
0.0 N to 48. N
48. N to 0.0 N
14.0 N to 2.0 N
2.0 N to 14.0 N
The diagram presented here represents a force acting on point P. Which diagram of pair of concurrent forces would properly represent that force as a resultant?
