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Physics 20 Online
OpenStudy (anonymous):

A gardener pushes a lawnmower of mass 18kg at constant speed. To do this requires a force P of 80N directed along the handle which is at an angle of 40 degrees to the horizontal.

OpenStudy (anonymous):

a) Calculate the horizontal retarding force F on the mower (which I did and got right at 61N) b) If this retarding force were constant what force, applied along the handle would accelerate the mower from rest to 1.2 m s^-1 in 2 s?

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