

1. 
Find the direction of the resultant of a 100newton force along the xaxis and a 150newton force at an angle of 40° above the xaxis. 


A. 
12.6° 
B. 
32.6° 


C. 
24.2° 
D. 
10.5° 


Hint 


2. 
Find the magnitude of the resultant vector for the diagram. 





A. 
237.2 N 
B. 
88 N 


C. 
250 N 
D. 
230.4 N 


Hint 


3. 
Find the magnitude of the resultant vector that is the sum of the two vectors shown. 





A. 
59 
B. 
80.1 


C. 
124 
D. 
165.2 


Hint 


4. 
If José pushes a cart horizontally, exerting a horizontal force of 0.5 N up a 45° incline so that the cart moves 3 m, how much work has José done on the cart? A joule (J) is the SI unit for work or energy. 1 J = 1 N ˇ 1 m 


A. 
J 
B. 
J 


C. 
J 
D. 
J 


Hint 


5. 
Find the magnitude of the resultant of a 7newton force at an angle of 35° above the xaxis and a 12newton force at an angle of 35° below the xaxis. 


A. 
7.4 N 
B. 
18.1 N 


C. 
15.8 N 
D. 
11.6 N 


Hint 

