![Weight In the imperial system. The pound as a unit of weight dates back at least as far as the time of the Romans the symbol for one pound is 1 lb. Weight In the imperial system. The pound as a unit of weight dates back at least as far as the time of the Romans the symbol for one pound is 1 lb.](https://images.slideplayer.com/9/2407394/slides/slide_7.jpg)
Weight In the imperial system. The pound as a unit of weight dates back at least as far as the time of the Romans the symbol for one pound is 1 lb.
![Everyday Astronaut on Twitter: "@ChadOhman I think they're VERY close. 9.8 kN of thrust = 1 ton-force. So I think people just say "ton" and it's just close enough either way... but Everyday Astronaut on Twitter: "@ChadOhman I think they're VERY close. 9.8 kN of thrust = 1 ton-force. So I think people just say "ton" and it's just close enough either way... but](https://pbs.twimg.com/media/EkthV41U0AE0jsp.jpg)
Everyday Astronaut on Twitter: "@ChadOhman I think they're VERY close. 9.8 kN of thrust = 1 ton-force. So I think people just say "ton" and it's just close enough either way... but
![Grove GMK5120B 120-Ton (100 Metric Ton) All Terrain Crane For Sale Hoists & Material Handlers 15928 CraneMarket Grove GMK5120B 120-Ton (100 Metric Ton) All Terrain Crane For Sale Hoists & Material Handlers 15928 CraneMarket](https://cdn.cranemarket.com/images/listings/2002-grove-gmk-5120b-120-us-ton--100-metric-ton--all-terrain-crane-with-a-very-strong-chart-107390.jpg)