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ICSE Class 10 Answered

ICSEX | PHYSICSMOST IMPORTANT QUESTIONSwww.topperlearning.com43.A coolie is pushing a box weighing 1500 N up an inclined plane 7.5 m long on to a platform 2.5 m above the ground.[3 M](i)Calculate the mechanical advantage of the inclined plane.(ii)Calculate the effort applied by the coolie.(iii)In actual practice, the coolie needs to apply more effort than what is calculated. Give one reason why you think the coolie needs to apply more effort
Asked by pest34 | 20 Dec, 2018, 12:01: PM
answered-by-expert Expert Answer
As per our policy one question is going to be answered in one url.
Solution is attached. 
In actual practice cookie needs to provide more force because of friction.
Answered by Ankit K | 20 Dec, 2018, 10:28: PM
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