It is easier to turn a steering wheel with both hands than with a single hand because______________?
Correct answer: D. The couple acts on the wheel
- A. Accelerating force increases on the wheel
- B. Two forces act on the wheel
- C. Two hands provide a firm grip
- D. The couple acts on the wheel
Explanation
Using both hands can produce a couple, in which two equal and opposite forces act along different lines and create a turning effect. This gives torque without requiring a net force in one direction. Option c refers only to grip and does not explain the increased turning effect.
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