In a physics lab you find four different vertically mounted cart wheels that are not free to rotate. Each has a block that hangs from a string wrapped around the wheel. Rank the torques these blocks produce about the wheel axes from greatest to least.
The rank of the torque of the blocks produce about the wheel axes from greatest to least.
Answer to Problem 21A
The rank of the torque of the blocks produce about the wheel axes from greatest to least is
Explanation of Solution
Formula used:
The expression for the applied force as follows:
Here,
The expression for torque as follows:
Here,
Calculation:
Consider the acceleration due to gravity is
The torque applied on the cart for case A as follows:
The torque applied on the cart for case B as follows:
The torque applied on the cart for case C as follows:
The torque applied on the cart for case D as follows:
By comparing the values, the torque of the blocks is
Conclusion:
Thus, the rank of the torque of the blocks produce about the wheel axes from greatest to least is
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