Question

1. 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

2. 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

3. how does the lever make work easier and faster?
a. it can pull things
b. it can push things
c. it can lift things
d all of the above

4. what do you call the supporting point in the lever around which it rotates?
a. distance
b effort
c fulcrum
d load

5. Which of these numbers would you use to embedded nails in wooden hand surface?
a. claw hammer
b pliers
c screwdriver
d tongs

6.if fixed pulley and movable pulley is combined, what do you call this kind of pulley?
a. Complex pulley
b compound polley
c block and tackle pulley
d single pulley

7. a pulley is made up of ___________
a. ridgid bar
b screw
c sharp edge
d wheel and axle

8. What fix bullet can do to make work easier?
a. it allows the effort to be less than the weight of the load
b. it can lift objects easier by changing the direction of the effort or force
c. it changes the direction of the force and at the same time it gains force
d. it is slides the object

9. father was to raise a load of hollow blocks on the third floor of the building which machine should father used to raise the load with the least effort?
a. stairs
b ladder
c pulley
d wheelborrow

10. this is a kind of pulley in which the entire wheel together with an exle travels along the rope
a. fixed pulley
b single pulley
c movable pulley
d block and tackle pulley


please answer​

Answer 1

Answer:

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Answer 2

Answer:

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