Per NCERT, a fielder throws a cricket ball that hits the wickets and knocks them down. The ball's ability to displace the wickets demonstrates which fact?
AThe ball had gained KINETIC ENERGY from the work the fielder did to throw it — and transfers some of that energy to the wickets on impact
BThe ball was at higher temperature than the wickets
CThe ball weighed more than the wickets
DThe wickets attracted the ball magnetically
Answer & Solution
Correct answer: A. The ball had gained KINETIC ENERGY from the work the fielder did to throw it — and transfers some of that energy to the wickets on impact
Per NCERT §7.2, the ball acquires KE from the work done on it and transfers energy to the wickets. The other options misstate.
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