15241254
Description
Quiz by Jeffrey Piggott, updated more than 1 year ago
|
Created by Jeffrey Piggott
over 6 years ago
|
|
Question 1
Question
Two people are pushing a disabled car.
One exerts a force of 200 N east, the other a force of 150 N east.
What is the resultant force exerted on the car? (Assume friction to be negligible.)
Answer
-
A) 50 N east
-
B) 50 N west
-
C) 350 N east
-
D) 350 N
Question 2
Question
Two soccer players kick a ball simultaneously from opposite sides.
Red #3 kicks with 50 N of force while Blue #5 kicks with 63 N of force.
What is the net force on the ball?
Answer
-
13 N in the direction kicked by Red #3.
-
113 N in the direction kicked by Red #3.
-
13 N in the direction kicked by Blue # 5.
-
113 N in the direction kicked by Blue # 5.
Question 3
Question
An airplane heads due north at 100 m/s through a 30 m/s cross wind blowing from the east to the west. Determine the resultant velocity of the airplane (relative to due north).
Answer
-
104.4 m/s at 29 degrees west of north.
-
104.4 m/s at 29 degrees east of north.
-
104.4 m/s at 29 degrees north of east.
-
xxxxxxxx
Question 4
Question
A mountain climbing expedition establishes a base camp and two intermediate camps, A and B.
Camp A is 11,200 m east of and 3,200 m above base camp.
Camp B is 8,400 m east of and 1,700 m higher than Camp A.
Determine the displacement between base camp and Camp B.
Answer
-
A
-
B 20,203 m
-
C
-
D
Question 5
Question
Two vectors are considered to be equal if they have same magnitude and ..............
Answer
-
A different direction
-
B positive direction
-
C same direction
-
D negative direction
Question 6
Question
When we add the following vectors and determine the resultant.
V1 = 3.0 m/s, bearing 45 deg, and
V2 = 5.0 m/s, bearing 135 deg
we get:
Answer
-
5.83 m/s, 76 deg.
-
8.0 m/s, 76 deg.
-
5.83 m/s, 104 deg.
-
8.0 m/s, 104 deg.
Question 7
Question
Add the following vectors and determine the resultant.
5.0 m/s, 45 deg and 2.0 m/s, 180 deg
The resultant is:
Answer
-
3.35 m/s, 66.5 deg
-
3.85 m/s, 66.5 deg
-
3.85 m/s, 32.5 deg
-
3.35 m/s 38.5 deg.
Want to create your own Quizzes for free with GoConqr? Learn more.