Calculating Required Force for Pushing a Block on an Inclined Ramp

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SUMMARY

The required force to push an 870 kg block up an 80 m ramp at a constant speed is calculated using the coefficient of sliding friction of 0.32 and an incline angle of 16 degrees. The correct approach involves applying Newton's second law, ensuring all units are consistent, specifically using kg*m/s². The equation must account for both the frictional force and the gravitational component acting along the ramp, which is derived from the sine of the incline angle.

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HELP! FORCE with RAMP!

Homework Statement



What force is required to push a 870kg block up an 80m ramp at a constant speed. The block has a coefficient of sliding friction of .32 with the ramp, and angle of 16 degrees from the ground.

Homework Equations





The Attempt at a Solution


F=(.32)+((870)(9.81)(sin(16))?
 
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Well, first you should realize that your units don't match up. You can only add similar units, and they should be the same as the units on the other side of the equal sign. Try rearranging your variables to give units of kg*m/s^2. Currently, you are attempting to add a unit-less coefficient to something with units of kg*m/s^2.
 


If you get stuck again, let me know, and don't forget to use Newton's second law for a system in equilibrium (sigma)F = 0
 

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