1.

A nut has been tightened by a force of 180 N using an 8 cm long spanner. What length of a spanner is required to loosen the same nut with 150 N?(a): 11 cm (b): 8.5 cm (c): 9.6 cm (d): 10.9 cm

Answer»

Answer:

here the TORQUE REQUIRED to tighten or LOOSEN the nut will be same

Explanation:

now applied to tight the nut

T=force×its perpendicular LENGTH

T=(180N)(0.08m)

=14.4Nm

14.4=(150N)(length )

length=14.4/150

=0.096m

=9.6cm



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