# An object with a mass of #5 kg# is on a ramp at an incline of #pi/8 #. If the object is being pushed up the ramp with a force of # 2 N#, what is the minimum coefficient of static friction needed for the object to remain put?

##### 1 Answer

Write your answer here...

Start with a one sentence answer

Then teach the underlying concepts

Don't copy without citing sources

preview

?

#### Answer

Write a one sentence answer...

#### Answer:

#### Explanation

Explain in detail...

#### Explanation:

I want someone to double check my answer

Somebody N.
Share

Apr 30, 2018

#### Answer:

**2 d.p.**

#### Explanation:

Since the

For the body to remain static, we have:

Where

Resolving forces perpendicular to the plane:

Resolving forces horizontal to the plane:

Substituting these two equations into

Taking

**2 d.p.**

Was this helpful? Let the contributor know!

Describe your changes (optional) 200