Question

v in a certain machine a effort of Sooth
to
3 In a certain machine a load of IKN is
lifed by an effort of 8oN at an efficiency
of 60% Find V. R. 6​

Answer 1

Explanation:

In case of ideal machine y = 1 (100% serey). So, M.A - VR. B. In a certain weight lifting machine, a weight of 1 kN is lifted by an effort of 25N.