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liberstina [14]
3 years ago
12

What are the two types of force

Physics
1 answer:
Evgen [1.6K]3 years ago
5 0

Answer:

Forces can be divided into primarily into two types of forces:

  • Contact Forces.
  • Non-contact Forces.

Explanation:

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On a highway curve with a radius of 46 meters, the maximum force of static friction that can act on a 1,200 kg car going around
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Answer:

v\approx 16.956\,\frac{m}{s}

Explanation:

The motion of the vehicule on a highway curve can be modelled by the following equation of equilibrium:

\Sigma F = f = m\cdot \frac{v^{2}}{R}

The maximum speed is:

v = \sqrt{\frac{f\cdot R}{m} }

v = \sqrt{\frac{(7500\,N)\cdot (46\,m)}{1200\,kg} }

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a person dives off the edge of aa cliff 33m above the surface of the sea. assuming that air resistance is negligible, how long d
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Answer:

The time is t = 2.595 \  s

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Explanation:

From the question we are told that

    The height of the cliff is  h =  33 \  m

 Generally from kinematic equation we have that

       h  =  ut + \frac{1}{2} gt^2

before the jump the persons initial velocity is  u =  0 m/s

 So

        33   =  0 * t + \frac{1}{2} 9.8 * t^2

=>      t = 2.595 \  s

Generally from kinematic equation

     v= u + gt

=>  v= 0 + 9.8 * 2.595

=>  v = 25.43 \ m/s

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