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San Francisco
San Francisco asked in Science & MathematicsPhysics · 1 decade ago

Help on this Physics question please?

I thought I knew how to solve this problem...

Yusef pushes a chair of mass m = 55.0 kg across a carpeted floor with a force Fp of magnitude Fp= 152 N directed at 35.0 degrees below the horizontal . The magnitude of the frictional force between the carpet and the floor is Ffr = 106 N.

here are the equations I made but I could be wrong

X component: Fp*cos(35)-Ffr=ma

Y component: FN-FG- Fp*sin(35)=ma

I know acceleration for y is 0. and FG=m*g

Update:

oops

I need to find Ax and FN

1 Answer

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  • morningstar
    Lv 7
    1 decade ago
    Favorite Answer

    You're right so far. What is the problem? Substitute the values you know into the equations. You'll almost be done.

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