Question

ram uses a crowbar which is 2m long,to lift a load of 1200N,by placing the fulcrum 40cm from the load.He applies a force of 400N. The efficiency of machine is;

Answer 1

Answer:

PHYSICS

Asked on December 27, 2019 by

Lalit Deep

What is the effort required to lift a load of 500N by using a lever with a mechanical advantage of 1.6?

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ANSWER

Given,

Mechanical advantage =

input force

output force

=1.6

input load=

1.6

Output load

=

1.6

500

=312.5 N

Effort of 312.5N