An astronaut is performing repairs on the outside of the International Space station. (a) The astronaut needs to remove a nut using a spanner and a torque of 7.0 Nm is required to achieve this. The maximum force that the astronaut can apply is 21 N. (i) In applying this maximum force to the spanner, what two things can the astronaut do to maximise the torque applied to the nut? Explain your answers. (ii) Calculate the minimum length of spanner required to achieve the stated torque using the maximum force.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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An astronaut is performing repairs on the outside of the International
Space station.
(a) The astronaut needs to remove a nut using a spanner and a torque
of 7.0 Nm is required to achieve this. The maximum force that the
astronaut can apply is 21 N.
(i) In applying this maximum force to the spanner, what two
things can the astronaut do to maximise the torque applied
to the nut? Explain your answers.
(ii) Calculate the minimum length of spanner required to achieve
the stated torque using the maximum force.
Transcribed Image Text:An astronaut is performing repairs on the outside of the International Space station. (a) The astronaut needs to remove a nut using a spanner and a torque of 7.0 Nm is required to achieve this. The maximum force that the astronaut can apply is 21 N. (i) In applying this maximum force to the spanner, what two things can the astronaut do to maximise the torque applied to the nut? Explain your answers. (ii) Calculate the minimum length of spanner required to achieve the stated torque using the maximum force.
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