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Jeneba
Questions and answers by
Jeneba
Questions (4)
A load of 30N is raised 2m when effort 10N moves through 8m calculate the mechanical advantage ,velocity ratio and efficiency of
1 answer
50 views
A machine of efficiency 75%done 2,500J of work Fri tion bll(833•3J
1 answer
18 views
Explain why the efficiency of a machine is less than 100%
1 answer
24 views
A machine of efficiency 75% done 2,500J of work calculate the energy used in over coming friction bll (833•3J)
1 answer
19 views
