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A person pushes a 14.5 kg lawnmower at constant speed with a force of 88 N directed along the handle, which is at an angle of 45o to the horizontal.

What is the force required to accelerate it from rest to 1.5 m/s in 2.5 seconds?

  • physics -

    You know the pushing force for constant velocity, so the horizontal component of the pushing force must be friction. Find that.


    Forcenet=forcefriction+ Mass*acceleration.
    Solve for the net force, knowing mass, acceleration, and the force of friction.

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