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A uniform plank PQ of length 8m and mass 10kg is supported horizontally at the...

A uniform plank PQ of length 8m and mass 10kg is supported horizontally at the end of P and Q. A boy of mass 20kg walks along the plank starting from P. If the plank is in equilibrium, calculate. (a) the reaction at P and R when he has worked 1.5m (b) distance he has worked when the two reaction are equal"?
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Asked by Adebisi on 28th March, 2022
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts