A person pushing a uniformly-loaded 30.2 kg wheelbarrow of length L with pushing force P is attempting to get it over a step. The maximum horizontal force that the person can apply is P = 553 N. What is the maximum height h of the step, expressed as a fraction n of the wheel's radius R, that the person can get the wheelbarrow over? The gravitational acceleration is g = 9.81 m/s². 10. P L R h=nR h = R

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A person pushing a uniformly-loaded 30.2 kg wheelbarrow of length L with pushing force P is attempting to get it over a step.
The maximum horizontal force that the person can apply is Px = 553 N. What is the maximum height h of the step, expressed
as a fraction n of the wheel's radius R, that the person can get the wheelbarrow over?
The gravitational acceleration is g = 9.81 m/s².
10
P
L
R
h = nR
h =
R
Transcribed Image Text:A person pushing a uniformly-loaded 30.2 kg wheelbarrow of length L with pushing force P is attempting to get it over a step. The maximum horizontal force that the person can apply is Px = 553 N. What is the maximum height h of the step, expressed as a fraction n of the wheel's radius R, that the person can get the wheelbarrow over? The gravitational acceleration is g = 9.81 m/s². 10 P L R h = nR h = R
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