
Work and Variable Forces in Calculus
Interactive Video
•
Physics, Mathematics, Science
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you exert a force on an object in the same direction as its movement?
The object changes direction.
The object remains stationary.
The object slows down.
The object speeds up.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is work calculated when dealing with a constant force?
Force divided by distance
Force times distance
Force plus distance
Force minus distance
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between work done by a constant force and a variable force?
Constant force work is always negative.
Variable force work requires calculus for exact calculation.
Variable force work is always positive.
Constant force work is non-existent.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a graph of force versus displacement, what does the area under the curve represent?
The mass of the object
The speed of the object
The work done
The time taken
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What kind of curve represents a variable force?
Linear curve
J curve or exponential curve
Circular curve
Parabolic curve
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a variable force?
A ball rolling down a hill
A pendulum swinging
A weightlifter's muscles tiring over time
A car moving at constant speed
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of calculus in determining work done by variable forces?
To simplify the force
To decrease the displacement
To approximate the area under the curve
To increase the force
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