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Sergeu [11.5K]
3 years ago
14

Internal Forces are :

Physics
1 answer:
Ugo [173]3 years ago
8 0






Hi Pupil Here's your answer ::






➡➡➡➡➡➡➡➡➡➡➡➡➡



They are always balanced forces since if they are applied on an object the resultant of tgese forces on the object is Zero

So, the option A is the correct. They are always balanced forces.
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Why do objects in equilibrium have a net force of 0?
lianna [129]

Answer:

Because there is no net force acting o an object in equilibrium.

Explanation:

When object is in equilibrium (either at rest or moving with constant velocity, the net force acting o it is zero.A vector can only have zero magnitude fall of its components are zero this means that all forces acting on the object are balanced.

3 0
3 years ago
Pls help me i have to submit this due tomorrow :'D
aniked [119]

\textsf {a) As there is no change in the initial and final positions, the displacement is}\\\textsf {equal to 0.}

b) Finding total distance :

Distance travelled from 0 s to 5 s :

  • 1/2 x 5 x 30 = 75 m

Distance travelled from 5 s to 10 s :

  • 5 x 30 = 150 m

Distance travelled from 10 s to 15 s :

  • 150 + 1/2 x 5 x 5
  • 150 + 12.5 = 162.5 m

Distance travelled from 15 s to 20 s :

  • 36 x 5 + 1/2 x 5 x 4
  • 180 + 10 = 190 m

Distance travelled from 20 s to 25 s :

  • 45 x 5 + 1/2 x 5 x 5
  • 225 + 12.5 = 237.5 m

Distance travelled from 25 s to 30 s :

  • 40 x 5 + 1/2 x 10 x 5
  • 200 + 25 = 225 m

Distance travelled from 30 s to 35 s :

  • 20 x 5 + 1/2 x 20 x 5
  • 100 + 50 = 150 m

Distance travelled from 35 s to 40 s :

  • 1/2 x 20 x 5
  • 50 m

Total = 75 + 150 + 162.5 + 190 + 237.5 + 225 + 150 + 50

Total = 1240 m

c) velocity at t = 15 s

  • 36/15
  • 12/5
  • 2.4 m/s

d) average velocity

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e) average speed

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  • 31 m/s

f) Part d uses displacement whereas part e uses distance

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M= H^i/H^o = D^i/D^o

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If the mass of an object is 10 kg and the
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B. -40 kgm/s is the answer

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If you rub a balloon on a piece of fabric or carpeting and then hold it against your head, your hair can stand on end. Why does
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AS Hitler once said, Static Electricity my dear watson
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