please solve the 7th quesyion asap!!
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Length of handle =40cm or 0.4m
Force applied = 150N
Moment arm = Force × Length of handle
Moment arm =150×0.4
Moment arm =60Nm
Length of the handle to open the nut by applying a force of 50N =
Moment arm =60Nm
Force =50N
Length =?
Moment arm = Force × Length of handle
Length of handle =Moment arm/Force
Length of handle =60Nm/50N
Length of handle =1.2m
therefore the length of the handle must be 120cm to open the nut by applying a force of 50N.
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