Work - Concepts and Problems

Quiz
•
Physics
•
9th - 12th Grade
•
Medium
+2
Standards-aligned
Julie Ison
Used 111+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Work can be defined as a _____ acting over some amount of _____ to cause a change in _____.
force, distance, energy
force, time, energy
force, time, distance
force, distance, time
Tags
NGSS.HS-PS2-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the common formula for work?
W=F v cos (angle between the direction of motion and the force)
W=F d cos (angle between the direction of motion and the force)
W=F m cos (angle between the direction of motion and the force)
W=F t cos (angle between the direction of motion and the force)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The unit for work is the _____.
Newton
kilogram
Joule
meter
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When is work positive?
Work is positive if a force is opposite the direction of motion.
Work is positive if a force is in the same direction as the direction of motion.
Work is positve if a force is perpendicular to the direction of motion.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When is work negative?
Work is negative when a force is in the same direction as the direction of motion.
Work is negative when a force is opposite the direction of motion.
Work is negative when a force is perpendicular to the direction of motion.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Work is a _____.
vector; the direction of the work vector
vector; whether the work adds or removes energy from the object
scalar; the direction of the work vector
scalar; whether the work adds or removes energy from the object
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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