6. The following are the advantages of using a simple machine. Which of these is not?
a.It needs much effort and time.
b. It increases speed or distance
c.It makes work easier and faster
d. It increases the amount of force exerted
7.if the load of the lever is the weight of an object, what do you call the force exerted to make that object move?
a.distance
b. effort
c.fulcrum
d. load
8. How does the lever make work easier and faster?
a.It can pull things c.It can lift things
b. It can push things d. All the above
9. What do you call the supporting point in the lever around which it rotates?
a distance b. effort c. fulcrum
d. load
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Answer:
6.A
7.B
8.D
9.C
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