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**1.A force of 24 N acts on a body causing its movement on an inclined plane with acceleration 3 m/s^2 . calculate the frictional force.**

so can u illustrate the answer to me?

Thanks

- Thread starter Misr
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so can u illustrate the answer to me?

Thanks

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What is the mass in kg? The angle of the plane? The direction of the force?

- #3

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No , I just forgot to write the mass which is 5 Kg .This is the All of the Given information.

What is the mass in kg? The angle of the plane? The direction of the force?

But for now i have a suggestion and all you have to do is to check w heather I'm right or not.

The net force acting on the system = The force causing the acceleration of the ball - Friction force

right??

well

Net force = 24 - Friction = (5*3)

Net force = 24 - Friction = 15

therefore friction force = 24 - 15 = 9 newtons

Right??

Thanks in advance.

- #4

PhanthomJay

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That looks good, provided that the applied 24 N force acts parallel to the plane. Since the problem does not specify that, I guess you'll have to assume it.No , I just forgot to write the mass which is 5 Kg .This is the All of the Given information.

But for now i have a suggestion and all you have to do is to check w heather I'm right or not.

The net force acting on the system = The force causing the acceleration of the ball - Friction force

right??

well

Net force = 24 - Friction = (5*3)

Net force = 24 - Friction = 15

therefore friction force = 24 - 15 = 9 newtons

Right??

Thanks in advance.

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- #6

PhanthomJay

Science Advisor

Homework Helper

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Indeed it does, my error

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