Practice Worksheet: Net Forces and Acceleration
Net Force and Acceleration Practice
For each of the following problems, give the net force and the direction on the block.
1)
Net Force = ______________
Direction = ______________
2)
Net Force = ______________
Direction = ______________
3)
Net Force = ______________
Direction = ______________
4)
Net Force = ______________
Direction = ______________
5)
Net Force = ______________
Direction = ______________
6)
Net Force = ______________
Direction = ______________
7)
Net Force = ______________
Direction = ______________
8)
Net Force = ______________
Direction = ______________
9)
Net Force = ______________
Direction = ______________
10)
Net Force = ______________
Direction = ______________
Multiple Choice
Write the letter of the correct answer on the line at the left.
______11. What happens when two forces act in the same direction?
a. They cancel each other out.
b. The stronger one prevails.
c. Their strengths are added.
d. Their sum divided by two is the total force.
______12. Forces can be added together only if they are
a. acting on the same object. c. unaffected by gravity.
b. balanced forces. d. substantial.
Completion
Fill in the line to complete each statement.
13. The overall force on an object after all the forces are added together is called the ___________________ force.
14. One ____________________ is the force required to accelerate 1 kilogram of mass at 1 meter per second per second.
Use the equation to solve the following problems. Show your work and make sure to include units
[pic]
15. Calculate the acceleration of Josh riding his bicycle in a straight line that speeds up from 4 m/s to 6 m/s in 5 seconds.
16. Dean is slowing down on his skateboard. He starts at a speed of 6 m/s and slows to 2.0 m/s over a time of 2 seconds. What is Dean’s acceleration?
17. A fish swimming at a constant speed of 1 m/s suddenly notices a shark appear behind it. Five seconds later, the fish is swimming in the same direction at a speed of 4 m/s. Calculate the fish’s acceleration.
18. Kaya is riding her dirt bike eastward on a dirt road. She spots a pothole ahead. Kaya slows from 20.0 m/s to 6 m/s in 6.0 s. What is her acceleration?
19. The elevators in the Landmark Tower, in Yokohama, Japan are among the fastest in the world. If these elevators start from rest and reach 12 m/s in 4 seconds, what is their acceleration?
20. The car turned the corner going 10 m/s. If it took them two seconds to turn, what is its’ acceleration? Is this acceleration?
-----------------------
26 N
12 N
60 N
300 N
180 N
20 N
70 N
190 N
200 N
30 N
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