WorksheetsNet Force & Balanced and Unbalanced Forces Task Cards
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
1. __________________ forces act on an object from opposite directions with equal strength.
Which word best belongs in the blank?
a)
A. Unbalanced
b)
B. Balanced
c)
C. Net
d)
D. Applied
2.
2. __________________ forces act on an object with different strengths.
Which word best belongs in the blank?
a)
A. Unbalanced
b)
B. Balanced
c)
C. Net
d)
D. Applied
3.
3. The __________________ in a scenario describe(s) the total of all forces acting on an object.
Which word or phrase best belongs in the blank?
a)
A. balanced forces
b)
B. unbalanced forces
c)
C. net force
d)
D. frictional force
4.
4. Forces are measured in _________________.
Which word best belongs in the blank?
a)
A. newtons
b)
B. grams
c)
C. centimeters
d)
D. milliliters
5.
5. Unbalanced forces can cause _____________ to occur.
Which word or phrase best belongs in the blank?
a)
A. friction
b)
B. a change in motion
c)
C. increased mass
d)
D. a decrease of energy
6.
6. Which operation should be performed when calculating the net force in a scenario where forces are occurring from the same direction?
a)
A. Addition
b)
B. Subtraction
c)
C. Multiplication
d)
D. Division
7.
7. Which of these types of forces is NOT likely to result in a change of motion?
a)
A. Applied force
b)
B. Frictional force
c)
C. Gravitational force
d)
D. Normal force
8.
8. To calculate net force in a scenario where forces come from opposite directions, what should be done to the values of the forces?
a)
A. Add the forces. Motion will occur in the opposite direction of the forces.
b)
B. Subtract the forces. Motion will occur in the direction of the stronger force.
c)
C. Multiply the forces. No motion will occur.
d)
D. Divide the stronger force by the weaker force. Motion will occur in the direction of the weaker force.
9.
9. In which tug-of-war game shown below would the most motion occur? Assume that all players have equal strength.
a)
A. Game A
b)
B. Game B
c)
C. Game C
d)
D. All games would have equal motion.
10.
10. Calculate the net force and any motion that may occur in the scenario below.
a)
A. Net force: 2.5 N, no motion
b)
B. Net force: 0 N, motion to the right
c)
C. Net force: 5 N, motion to the left
d)
D. Net force: 0 N, no motion
11.
11. Calculate the net force and any motion that may occur in the scenario below.
a)
A. Net force: 30 N, motion to the left
b)
B. Net force: 20 N, motion to the right
c)
C. Net force: 10 N, motion to the left
d)
D. Net force: 0 N, no motion
12.
12. Calculate the net force and any motion that may occur in the scenario below.
a)
A. Net force: 10 N, no motion
b)
B. Net force: 50 N, motion to the left
c)
C. Net force: 90 N, motion to the right
d)
D. Net force: 0 N, no motion
13.
13. Which choice listed below would be LEAST likely to result in the cabinet moving to the right?
a)
A. Person 1 increasing their pushing strength and Person 2 increasing their pulling strength
b)
B. Removing items from the inside of the cabinet
c)
C. Adding a person to push near Person 1
d)
D. The frictional force between the cabinet and the ground being stronger than Person 1 and 2’s combined forces
14.
14. The net force that occurs when a student pulls a book across a desk is 2 N. Which of the following would reduce the amount of the net force in the scenario?
a)
A. Pulling across a smoother surface
b)
B. Pulling across a rougher surface
c)
C. Pulling with more applied force
d)
D. Using a lighter book
15.
15. A student is pushing a box across a table. If the box moves, what must have occurred?
a)
A. Force W was greater than Force X.
b)
B. Force X was greater than Force W.
c)
C. Forces W and X were equal.
d)
D. Force W was exactly double the amount of Force X.
16.
16. Several tug-of-war games are described below. In which game would motion occur to the right?
a)
A. Game 1
b)
B. Game 2
c)
C. Game 3
d)
D. Game 4
17.
17. An athlete kicked a soccer ball and a bowling ball. Both times, the strength of their kick was 300 N. Which statement best describes the results?
a)
A. Kick 1 had more net force because the lighter ball experienced less friction.
b)
B. Kick 2 had less net force because the heavier ball experienced less friction.
c)
C. Both kicks had equal amounts of net force.
d)
D. Mass had no effect on how the balls moved.
18.
18. A student pushes a toy car across concrete. If the net force is 7 N, and the car rolls to the left, how strong was the applied force?
a)
A. 0 N
b)
B. 7 N
c)
C. 12 N
d)
D. 35 N
19.
19. Which table shown would result in a net force of 150 N with motion occurring downward?
a)
A
b)
B
c)
C
d)
D
20.
20. Forces in a scenario are described below. Which scenario could meet this description?
a)
A. A person pushing on a brick wall
b)
B. A parachutist falling from an airplane
c)
C. Two people pushing the same side of a box
d)
D. A person pulling a wagon across grass
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