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← HistoryWhich outcome resulted from the trebuchet's counterweight dropping?
A)Projectile trajectory becomes increasingly unstable
B)Increased structural stress on support timbers
C)Axle friction reduces launching distance
D)Rotational kinetic energy converts projectile motion✓
💡 Explanation
Rotational kinetic energy converts projectile motion because the falling counterweight transfers energy to the throwing arm, rather than solely imparting impulse via static energy; therefore, efficient energy transfer increases launching distance, not structural failure.
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