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- 1. Multiple ChoiceIn order for Work to happen, what 2 things must occur?Mass and DisplacementForce and MassForce and WorkForce and displacement
- 2. Multiple ChoiceHow many joules of work are done against a cart when a force of 50 N pushes it 1 kilometer away?
7000 J
5000 J
5500 J
- 3. Multiple Choice
Is this an example of work?
Yes
No
- 4. Multiple Choice
What is the unit of measurement for work?
meters
newtons
m/s
Joules
- 5. Multiple Choice
For work to be done on an object, the direction and force have to be going the same direction.
True
False
- 6. Multiple Choice
_____________ is the rate of doing work.
Conservation of energy
Joules
Energy
Power
- 7. Multiple Choice
Power is measured in ___________.
meters
joules
newtons
watts
- 8. Multiple Choice
You do 40 Joules of work in 8 seconds. How much power did you exert?
0.2 watts
320 watts
5 watts
- 9. Multiple Choice
The law of Conservation of Energy says________
energy is constantly created
energy can not be created or destroyed instead it changes from one form to another
energy can not change forms
- 10. Multiple Choice
Energy is:
The ability to do work
The amount of power
Movement
Causing things to happen
- 11. Multiple Choice
Kinetic energy is
Stored energy
Force acting on objects
Associated with movement
Measured in speed
- 12. Multiple Choice
Potential energy is:
A type of kinetic energy
A fuel
Associated with movement
Stored energy
- 13. Multiple Choice
When glow sticks snap, they produce a glow. What energy transformation takes place?
Thermal to light
Light to radiant
Potential to heat
Chemical to light
- 14. Multiple Choice
The following scenario relates to a rollercoaster:
When at the top of a hill, a cart has _________ energy, as it travels down the track, it has _______ energy.
Kinetic, potential
potential, generational
potential, kinetic
kinetic, exhilirating
- 15. Multiple Choice
What type of energy transformation would occur when a piece of wood is burnt?
Electrical energy is released as radiant energy
Mechanical energy is stored as chemical energy
Stored chemical energy is released as thermal energy
No transformation occurs
- 16. Multiple Choice
If the speed of an object increases, what also increases?
Potential energy
Kinetic energy
- 17. Multiple Choice
Select the following which demonstrate a change from kinetic energy to potential energy?
A sled sliding up a hill
A ball that is thrown into the air
A car driving down a hill
A rubber band being stretched
- 18. Multiple Choice
At which position is potential energy the greatest?
W
X
Y
Z
- 19. Multiple Choice
At which position is kinetic energy the greatest?
W
X
Y
Z
- 20. Multiple ChoiceCentripetal acceleration always pointsin the direction of the object's motionin the opposite direction of the object's motiontowards the center of the circletowards the outside of the circle
- 21. Multiple ChoiceYou swing a bucket of water attached to a string in a circle above your head. What keeps the water in the bucket?FrictionCentripetal ForceGravityInertia
- 22. Multiple Choice
If the ball is release at point A what direction will the object fly if the ball is revolving clockwise?
up
right
down
left
- Answer choicesTagsAnswer choicesTags