Question 2: Definition of Torque

Several children are playing in the park. One child pushes the merry-go-round with a force of 50 N. The diameter of the merry-go-round is 3.0 m. What torque does the child apply? Recall  = r x F.

Figure 1 Schematic diagram for Question 2

The child applied a torque of  A. 70 N m into the screen B. 70 N m out of the screen C. 141 N m into the screen D. 141 N m out of the screen

Solution

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