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Brut [27]
2 years ago
14

Give two examples of contact and non-contact forces and explain why they are contact and non-contact forces respectively.​

Physics
1 answer:
Sever21 [200]2 years ago
3 0

The Two examples of contact forces are:

  • frictional force
  • Contact force.

The two examples of non contact forces are:

  • Gravitational force
  • magnetic force.

Contact forces happens due to the contact between two objects

Non Contact forces happens because there is no contact between two objects. There is no attraction.

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A) lithium and beryllium

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according to newton's second law , net force on an object is equal to the product of its mass and its acceleration. the formula is given as

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rearranging the equation for acceleration "a" , we get

a = F/m

when force F is kept constant , the acceleration is inversely related to the mass "m".  in other words, greater the mass , smaller will be the acceleration and smaller the mass, greater will be the acceleration.

the masses of baseball, basketball,  tennis ball and bowling ball can in arranged in increasing order as

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