Practice Test: AP Physics C Vectors 


AP Physics C Practice Test Vector Addition 


Name _____________________________ Period _____________ Date __________________  
Assume magic land conditions on all problems unless stated otherwise. In other words there is no air resistance or friction. 

1 
) 
An object accelerates downward at 3 m/s/s what is the direction of the net force acting on the object? 
2 
) 
An object is displaced 90 meters to the north. What is the direction of the object's average velocity? 
3 
) 
What is the relationship of the magnitudes of a vectors components 
4 
) 
What is the relationship of the directions of a vectors components? 
5 
) 
A vector has a ycomponent of 23 N and an xcomponent of  37 N. Find the vector's magnitude 
6 
) 
If a ball is throw with a velocity of 50 m/s at an angle of 37 degrees above the horizontal, what is its horizontal velocity component? 
7 
) 
When adding two vectors, the resultant will be greatest when the angle between the two vectors is _________________. 
8 
) 
The xcomponent of a vector = 30 and the ycomponent = 40. Find the angle of the resultant vector. 
9 
) 
You have a 12 N force and a 5 N force. When they are added together, what are the maximum and minimum possible forces? Assume you can manipulate the angle. 
10 
) 
Calculate the minimum time for Running Bear to swim across a raging river with a current of 2.5 m/s if he can swim at 2.0 m/s and the raging river is 100 m wide. 
11 
)  Calculate the time for Running Bear to swim straight across a raging river with a current of 1.5 m/s if he can swim at 2.0 m/s and the raging river is 100 m wide. 
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