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Igoryamba
3 years ago
14

Does friction always oppose relative motion?

Physics
1 answer:
Ilya [14]3 years ago
3 0

Answer:

Yes

Explanation:

Friction is a force that opposes relative motion between systems in contact. One of the simpler characteristics of friction is that it is parallel to the contact surface between systems and always in a direction that opposes motion or attempted motion of the systems relative to each other.

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Answer:

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First, we have to find the total cost of the donuts.

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Next, we need to determine the cost of the box. However, we don't know the surface area, just the cost per foot. We can multiply the number of square feet of the box by $0.18 to find the cost.

So our equation could be:  b = 3.84 + 0.18f (where f is the surface area of the box in square feet)Explanation:

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3 years ago
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Arlecino [84]

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2 years ago
(a) The stick is supported by a sharp point at the middle. On the left side, a weight of 100 g is suspended at 40 cm from the mi
Jet001 [13]

Answer:

20cm

Explanation:

Hello!

remember that the condition for a body to be at rest is that the sum of its moments and its forces be zero,

To solve this problem you must draw the free body diagram of the stick (attached image) and sum up moments at point 0 (where the sharp is located), which results in the following equation

(100g)(40cm)=x(200g)

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6 0
3 years ago
Please help on this one?
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I’m pretty sure it’s A
4 0
4 years ago
2. the energy of the pendulum as it swings up
Nonamiya [84]
kinetic energy or potential energy


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3 years ago
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