Column A 1. Truck 2. Knife 3. Bridge on a river 4. High-rise building 5. Door of a room 6. Railway track Column B (a) Broad pillars (b) A large number of wheels (c) Turning moment (d) Sharp edge (e) Broad and deep foundation (f) Barometer 7. Atmospheric pressure (g) Wide sleepers 62 ICSE PHYSICS 8 8022