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- 1. Multiple Choice
Mechanical energy is the total kinetic and ________ energies in a system.
Chemical
Thermal
Potential
Electrical
- 2. Multiple Choice
Energy that is stored is ________ energy.
Kinetic
Electrical
Potential
Chemical
- 3. Multiple Choice
What is the formula for work?
W= F x D
W= D/T
W= D x T
W= F/D
- 4. Multiple Choice
What is the Law of Conservation of Energy?
Energy stays the same
Energy may change form but it cannot be created nor destroyed.
Energy decreases
Energy Increase and decreases after being destroyed.
- 5. Multiple Choice
What is energy?
The ability to move
The ability to stay the same with no change
The ability to cause change in movement
The ability to cause change.
- 6. Multiple Choice
Two or more simple machines that work together is called_______.
Simple Machine
Compound Machine
Screw
Wedge
- 7. Multiple Choice
What is required for work to be done?
Movement
Time and movement
something has to move and the motion must be the same direction as force
something has to move and the motion must increase as well as force.
- 8. Multiple Choice
Power is measured in_________.
Watts
Joules
Newtons
Calories
- 9. Multiple Choice
What simple machine can be found in an ax?
Pulley
Wedge
Screw
Incline Plane
- 10. Multiple Choice
What formula is used to calculate power?
P= W x T
P= W + T
P= W/T
W=P/T
- 11. Multiple Choice
A system of pulleys is called a(n)_________.
Fixed system
compound machine
block and tackle
Dual Pulley
- 12. Multiple Choice
A device that makes work easier is a _________.
Machine
Simple Machine
Compound
Compound Machine
- 13. Multiple Choice
What are the six simple machines?
Lever,Pulley,Wheel & Axle, Screw, Incline Plane, Wedge
Wedge, Box, Paper, Lever, Scissors, Pen
Wedge, lever pulley, screw, incline plane, bike
Scissors, bike, car, lever, pulley, wedge
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