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- 1. Multiple Choice
What are the two factors that determine work?
amount of the force, and effort used
amount of the force, and type of force
mass, and distance
amount of force and distance moved
- 2. Multiple ChoiceWhich situation is work not done?lifting a 20 pound box off the floorholding a 20 pound box above the floorsliding a 20 pound box across the floorsliding a 20 pound box up an inclined plane
- 3. Multiple Choice
Which one is the equivalent of 1 Joule?
1 newton.meter
1 kg.m/sec
1 kg.m/sec2
1000 kg.m/sec
- 4. Multiple Choice
If a force of 100 newtons was exerted on an object and no work was done, the object must have —
accelerated rapidly
remained motionless
decreased its velocity
gained momentum
- 5. Multiple Choice
True or false
You do work when you mannequin pose with an object in your hand.
true
false
- 6. Multiple Choice
The farther you move an object, the more work you do.
True
False
- 7. Multiple Choice
How much work is performed when a 50 kg crate is pushed 15 m with a force of 20 N?
300 joules
750 joules
1,000 joules
15,000 joules
- 8. Multiple ChoiceI do 132 Joules of work on a bookcase. If I apply a force of 6 Newtons, how far have I moved the bookcase?810 meters792 meters22 meters320 meters
- 9. Multiple ChoiceIf 150 Joules of work is needed to move a box 10 meters, what force was used?1500 N15 N1.5 N150 N
- 10. Multiple ChoiceIf you lift a box from the floor to a height of 1m and then carry the for for 10m, you do work only when you CARRY the box.TrueFalse
- 11. Multiple ChoiceHow much work is done in holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes?15 J45 J0 J5 J
- 12. Multiple ChoiceWork is done on an object when the object moves in the SAME direction in which the force is applied.TrueFalse
- 13. Multiple ChoiceIf you pull at an angle instead of in the direction in which the object moves, MORE of your force does work.TrueFalse
- 14. Multiple Choice
You push against the back of your friends car that is stuck. You push and be become very tired, but the car does not move. Did you do work?
Yes, work was done
No, work wasn't done
- 15. Multiple ChoiceIn order for work to be done, a force must cause an object to...Be balancedBe constantHave no motionMove
Move/Accelerate - Answer choicesTagsAnswer choicesTags