Question

In the above diagram friction is represented by​

Answer 1

Answer:

Letter "D"

Because it is moving in opposite direction

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Answer 2

Answer:

F

Explanation:

The direction of 'Friction' is represented by the letter 'F'

We learnt that friction always opposes the direction of the moving object. 'D' is shown to represent the direction of motion of the box. (D = left, answer should point towards right). 'F' is pointing towards the direction opposite to that of 'F'

Now, 'A' is also pointing opposite to 'D', but why is 'A' not the answer?

Because, Friction is a contact force, which requires two surfaces to be in direct contact with each other. 'F' is having a direct contact with the object, while 'A' has contact with none of the surfaces.

Therefore, your answer is direction 'F'.

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