# Question #06e0b

##### 1 Answer

Dec 19, 2017

7.5 kg

#### Explanation:

Friction equation:

So we can calculate normal reaction, N:

Then since there is no acceleration in vertical direction:

Dec 19, 2017

7.5 kg

Friction equation:

So we can calculate normal reaction, N:

Then since there is no acceleration in vertical direction:

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