Depending on which model you're interested in - the operating empty weights (OEW) are...
757-200 - 123,840lb (58,440kg)
757-200F - 115,580lb (52,430kg)
757-300 - 141,860lb (64,340kg)
The 757 is a jet airplane. It does not have propellors.
A 757
530 miles an hour
what is the weight of a 757 fan cowl
John deere 757 weight
The 747 because the 757 is much smaller and can carry less passengers. It also only has 2 engines where as the 747 has 4.
The Boeing 757 comes in two main variants; An empty 757-200 weighs 63 tons (127,550lbs) and has a maximum takeoff weight of 127.5 tons (255,000lbs). The 757-300 wieghs 71 tons empty (142,400lbs) with a maximum takeoff weight of 136.25 tons (272,500lbs).
United Airlines Flight 93 was a Boeing 757.
Maximum takeoff weight for a Boeing 757-300 is 123,600 kg (272,500 lb)
A Boeing 757 weighs from 220,000 pounds up to a maximum of 255,000 pounds. The 757 is a mid-size jet airliner.
An airplane produces enogh lift to fly with weight. Cargo planes are designed to do that.
The force that counteracts the weight of an airplane is called lift. Lift is generated by the wings of the airplane as it moves through the air. The amount of lift produced needs to be equal to or greater than the weight of the airplane to keep it in the air.