Force in The X direction using Lever Arm

  • #1

Homework Statement



What is the Force Needed in the X direction?

I have a 500 lb Car and attached to the Wheel axle is a 12 inch long lever arm going straight down. The pivot point is at the axle and a cylinder is pushing the arm at the end of it. What force do I need to push this 500 pound car 3 inches forward?

Homework Equations





The Attempt at a Solution


Do I sum the moments about that axle at which I would get (3*500)-12(Fx) where Fx=125lbs...that number seems high...
 

Answers and Replies

  • #2
tiny-tim
Science Advisor
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welcome to pf!

hi drummer8807! welcome to pf! :smile:
What is the Force Needed in the X direction?

I have a 500 lb Car and attached to the Wheel axle is a 12 inch long lever arm going straight down. The pivot point is at the axle and a cylinder is pushing the arm at the end of it. What force do I need to push this 500 pound car 3 inches forward?
i don't understand the question :confused:

horizontally, an insect could push it (slowly!)
 
  • #3
How much force if I push on that lever arm do I need to move it 3 inches is what I am suppose to find out....
 

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