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6.) What can friction do on a machine?
a. wear out it's parts
b. reduce efficiency
c. cause heat
d. all of these

7.) Friction acts ______.
a. opposite the direction of motion
b. parallel or in the same direction of motion
c. perpendicular to the surface
d. at an angle to the surface

8.) Which object would experience air friction?
a. ship
b. ball bearing
c. parachute
d. bicycle

9.) To start an object moving, the applied force must be ______ compared to starting friction.
a. equal
b. less
c. greater
d. much greater

10.) Which statement is correct?
a. Friction is a push
b. Friction is a pull
c. Friction is both a push and a pull
d. Friction has nothing to do with motion
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Pasagot po pls ng tama, report kapag nonsense

6 What Can Friction Do On A Machine A Wear Out Its Parts B Reduce Efficiency C Cause Heat D All Of These 7 Friction Acts A Opposite The Direction Of Motionb Par class=

Sagot :

Ermilovillamoridn

Answer:

6. B.reduce efficiency

explain;

In a machine, friction reduces the mechanical advantage, or the ratio of output to input

7. B.parallel or in the same direction of motion

8. I think its letter D

9.I dont know

10C.Friction is both a push and a pull

that's all

Airamariegdelugaridn

Answer:

6. d

7. a

8. c

9. b

10. c

Explanation:

Stay safe

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