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Oksanka [162]
3 years ago
5

Why screw drivers with long arm are better in use?

Physics
2 answers:
Molodets [167]3 years ago
7 0

Answer:

Explanation:

Long screwdrivers are easier to turn because the grip is in the palm of the hand, thus allowing all fingers to contribute. A shorter screwdriver is turned with the thumb and first two or three fingers, providing much less torque.

Dmitrij [34]3 years ago
5 0
They move faster and are easier to use
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Friction always acts____ and in the ____ direction of the motion of an object ​
Fed [463]

Answer:

Friction force always acts tangent to the surface at points of contact. Friction force acts opposite to the direction of motion. There are 2 types of friction: Static friction: If the two surfaces in contact do not move relative to each other, one has static friction.

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2 years ago
A wave has a wavelength of 10mm and a frequency of 5 hz what is the speed?
geniusboy [140]
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3 0
3 years ago
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Pani-rosa [81]
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4 0
3 years ago
Mr. Mann explained that when light passes from air into the water, the light waves bend, or ___________, and the pencil appears
posledela

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the light waves bend or REFRACT

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4 0
3 years ago
Why is MA always less than VR?​
jarptica [38.1K]

Answer:

\boxed{ \bold{ \boxed{ \sf{see \: below}}}}

Explanation:

MA ( Mechanical Advantage ) is always less than VR ( Velocity Ratio ) because <u>MA</u><u> </u><u>is</u><u> </u><u>reduced</u><u> </u><u>by</u><u> </u><u>friction</u><u> </u><u>but</u><u> </u><u>VR</u><u> </u><u>is</u><u> </u><u>not</u><u> </u><u>affected</u><u> </u><u>by</u><u> </u><u>friction</u><u>.</u>

Hope I helped!

Best regards! :D

6 0
3 years ago
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