Q

What do these examples represent? 1. A fast pebble can injure a person or break glass. 2. A moving vehicle has energy. 3. Fast-moving air can damage houses. 4. Wind can drive a windmill.

RRB Group D 24/10/2018 / Shift-I 2018
✓ Answer: A Kinetic energy
All examples involve the ability of moving objects or air to do work.
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