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a man pulls up a box of mass 70kg using an inclined plane of effective...

a man pulls up a box of mass 70kg using an inclined plane of effective length 5m unto a platform 2.5m high at a uniform speed.
If the frictional force between the box and the plane is 100N.(i)draw a diagram to illustrate all the forces acting on the box while in motion. (ii)calculate the (i)minimum effort applied in pulling up the box;(ii) velocity ratio of the plane, if it is inclined at 300 to the horizontal. (iii) force ratio of the plane.?
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Asked by Ayoalao19 on 1st October, 2021
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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
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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
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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
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
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