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- 1. Multiple ChoiceHow much work is produced when 350 N is used to move a car 5 m (W=Fd)?70 J1750 J355 J175 J
- 2. Multiple Choice
What is effort (input) force?
the force one exerts on a machine
the force which an effort force must overcome in order to do work on an object via a simple machine.
the force the machine exerts on a object
the output work times the input distance
- 3. Multiple Choice
If the weight of the block is 10N, how much force does one have to apply to lift it using this pulley (MA=2)?2N5N10N15N - 4. Multiple Choice
A box of weight W is lifted by a force F using a lever as shown below.
What is the mechanical advantage of the lever (MA=Input Distance/Output Distance)?
0.5
2
3
6
- 5. Multiple Choice
Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever (MA=Output Force/Input Force)?
1
10
100
1000
- 6. Multiple Choiceif a load of a lever is 100 newtons and the force you apply is 20 newtons, what is your mechanical advantage?120 N5 N2000 N80 N
- 7. Multiple Choice
The mechanical advantage of this inclined plane is...(MA=Resistance Force/Effort Force)
2.4
3.4
4.4
- 8. Multiple ChoiceThe amount by which a machine multiplies input force is known as thework.power.output force.mechanical advantage.
- 9. Multiple ChoiceMechanical advantage is a measure of how much a machine multiplies the inputefficiency.force.power.work.
- 10. Multiple ChoiceJeff is a landscaping contractor and lifts a rock weighing 600 pounds by wedging a board under the rock. Jeff weighs 150 pounds and puts all of his weight on the lever. How much mechanical advantage did the lever provide to Jeff in lifting the rock?0248
- 11. Multiple ChoiceA 16 N force is applied to an object and 96 J of work is done. How far was the object moved?6 m16 m80 m1536 m
- 12. Multiple Choice
Which of the lever would it take less force to lift?
Lever A
Lever B
- 13. Multiple Choice
How much effort would it take to lift Lever A?
60 N
50N
40 N
30 N
- 14. Multiple Choice
How much effort would it take to lift Lever B?
60 N
50 N
40 N
30 N
- 15. Multiple Choice
If the distance from the effort to the fulcrum is greater than the distance from the load to the fulcrum, then
the effort has a mechanical advantage
the lever has a mechanical advantage
the fulcrum has a mechanical advantage
- 16. Multiple Choice
Long distance from the effort to the fulcrum and a short distance from the load to the fulcrum will allow
a small effort to move a large load
a large effort to move a large load
no effort to move a large load
- Answer choicesTagsAnswer choicesTags