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- 1. Multiple-choice3 minutes1 pt
What does figure (1) represent ?
moving a spring from its equilibrium position with elastic potential energy
Moving a ball between two positions
Moving a simple pendulum from its equilibrium position with gravitational potential energy
No correct answer
- 2. Multiple-choice3 minutes1 pt
At which point is a pictured pendulum has a maximum kinetic energy _______
a
b
c
No correct answer
- 3. Multiple-choice3 minutes1 pt
At which point is a pictured pendulum has a Minimum kinetic energy _______
a
b
c
both (a) and (b)
- 4. Multiple-choice3 minutes1 pt
At which point is a pictured pendulum has a maximum potential energy _______
a
b
c
both (a) and (c)
- 5. Multiple-choice3 minutes1 pt
At which point is a pictured pendulum has a minimum potential energy _______
a
b
c
No correct answer
- 6. Multiple-choice3 minutes1 pt
What does figure (2) represent ?
moving a spring from its equilibrium position with elastic potential energy
Moving a ball between two positions
Moving a simple pendulum from its equilibrium position with gravitational potential energy
No correct answer
- 7. Multiple-choice3 minutes1 pt
In which direction is the pictured spring's acting force (Applied Force) ?
To the right
To the left
There's no acting force
Both left and right
- 8. Multiple-choice3 minutes1 pt
In which direction is the pictured spring's restoring force (reaction force) ?
To the right
To the left
There's no restoring force
Both left and right
- 9. Multiple-choice3 minutes1 pt
A force of 200 N causes displacement with a magnitude of 0.5 m . what's the constant of the spring ?
100 N/m
200 N/m
400 N/m
800 N/m
- 10. Multiple-choice3 minutes1 pt
The spring shown in the figure has a constant of 80 N/m . What is the magnitude of the force being applied ? the dotted green line represents the spring's equilibrium position and the green vector is the displacement which is 0.250 m
20 N
80 N
160 N
320 N
