Work, Energy, Power and Simple Machines Review
Across
- 4. THE ABILITY TO DO WORK
- 6. MEASURES THE RATE AT WHICH WORK IS DONE IN A CERTAIN PERIOD OF TIME.
- 8. A WHEEL HAS A RADIUS OF 12 INCHES. THE AXLE HAS A RADIUS OF 2 INCHES. WHAT IS THE MA?
- 10. _________ PLANE-SIMPLE MACHINE THAT IS A SLOPED SURFACE, OR RAMP.
- 11. ______ FORCE-FORCE APPLIED TO A MACHINE.
- 13. ABILITY OF A MACHINE TO CONVERT WORK INPUT INTO WORK OUTPUT.
- 17. _______FORCE-THE FORCE THAT A MACHINE MUST OVERCOME.
- 18. INCLINED PLANE WRAPPED AROUND A SHAFT.
- 20. STORED ENERGY
- 22. THE UNIT OF FORCE
- 23. TWO NEWTONS APPLIED OVER 4 METERS.
- 24. YOU ARE ABLE TO LIFT A 50 NEWTON BOX 3 METERS ONTO A TRUCK USING A RAMP. THE RAMP ALLOWS YOU TO PUSH THE BOX AT 20 NEWTONS, OVER 8 METERS. WHAT IS THE PERCENT EFFICIENCY OF THE RAMP?
- 27. FORCE OUTPUT DIVIDED BY FORCE INPUT.
- 29. A SURFACE, SUCH AS A WHEEL, THAT REDIRECTS FORCE USING A ROPE.
Down
- 1. ________ ADVANTAGE-COMPARISON OF THE INPUT FORCE TO THE OUTPUT FORCE OF A MACHINE.
- 2. A FORCE PRESENT IN ALL MOVING OBJECTS; OPPOSES MOTION.
- 3. OCCURS WHEN A FORCE IS APPLIED OVER A DISTANCE.
- 5. A PULLEY SYSTEM ALLOWS SOMEONE TO LIFT A 100 NEWTON BOX UP 5 METERS WITH 20 NEWTONS OF FORCE. WHAT IS THE MA?
- 7. MOVING INCLINED PLANE WITH ONE OR TWO SLOPING SIDES.
- 9. THE UNIT OF WORK
- 12. THE POINT ABOUT WHICH A LEVER PIVOTS.
- 14. YOU RIDE YOUR BIKE 1000 METERS TO TOWN. YOU USE 5 NEWTONS OF FORCE FOR EACH METER. HOW MUCH WORK DID YOU DO?
- 15. THE UNIT OF THE RATE AT WHICH WORK IS DONE.
- 16. MADE FROM A ROD OR PLANK THAT PIVOTS ABOUT A POINT.
- 19. THE ENERGY OF MOTION
- 21. ________ MACHINE-WORKS WITH ONLY ONE MOTION, SUCH AS AN INCLINED PLANE, LEVER, ETC.
- 25. ______ MACHINE-COMBINATION OF TWO OR MORE MACHINES.
- 26. A PULLEY SYSTEM LIFTS A 10 NEWTON BOX 5 METERS. HOW MANY JOULES OF WORK ARE DONE?
- 28. WHEEL AND ____-SIMPLE MACHINE MADE FROM TWO RIGIDLY ATTACHED WHEELS THAT ROTATE TOGETHER.