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A weighing bridge is usually a large, flat, rectangular metal plate, set at road level, on which a lorry can be parked to get the lorry's weight. An empty lorry may be weighed on entering a business premises (tare weight) and then weighed when loaded before leaving to give the gross weight. The difference between the gross and the tare will give the net weight of the load put on the lorry. It will also ensure that the lorry is not overloaded, which is a road-traffic offence.

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A truck weighing 300000N crosses a bridge When it reaches the centre the support forces on the left and right sides of the bridge are each 400000 What is the weight of the bridge alone?

500000N or 500000/9.81= 50968 Kg


If a 10 mile bridge can hold only 300 pounds at a time how would a man who works in a circus and weighs 298 pounds carry 3 bars of gold each weighing a pound from one end of the bridge in one instance?

juggle them


What is the weight of Sydney Harbour bridge?

The Sydney Harbour Bridge weighs 52,800 tonnes. The arch alone weighs 39,000 tonnes. Interestingly, all the weight of the bridge is borne on only four bearing pins, each only 37 centimetres in diameter, yet each weighing over 300 tonnes.


Steps for weighing an object?

Obtain an appropriate weighing device. Make sure the device is calibrated properly. Perform the weighing by placing the object on top of the weighing device.


Is it said weighing a cake or scaling a cake?

Weighing (US)


Which is more accurate direct weighing or weighing by difference?

Weighing by difference is generally more accurate than direct weighing because it accounts for any loss of material during the weighing process. Direct weighing can be influenced by factors like measurement errors or environmental conditions, which may affect the accuracy of the result.


Man weighing 700N and carrying bags each weighing 50N needs to travel across a bridge which withstands 750N max could he juggle them without it breaking?

No - the combined weight of man and bags totals 850N, which exceeds the limit of the bridge. Although juggling the objects whilst crossing appears to solve the problem, the issue is that to throw the bags in the air causes an equal and opposite reaction force on your body, which temporarily increases your weight by the same amount (Newton's 3rd Law).


How heavy is a weighing scale?

A weighing scale itself is not heavy, as it is designed to be easily movable and transportable. The weight of a weighing scale can vary depending on the type and size, but typically they are lightweight and can be easily carried by hand.


What is the best idea for building a 50cm long spaghetti bridge weighing no more than 300G that must support a 1kg load?

3 bucatini spaghettis in compress and 1 normal (25cm) spaghetti in tension. your bridge should have atleast 14 tensial elements and like 12 compressed ones. you can go for heights like 22 23


Which country uses cups as a method of weighing?

USA uses "cups" as a unit of measure but not weighing.


Who invented weighing scale?

Philipp von Jolly invented the modern weighing scale in 1874.


What is weighing scale used for?

Not to appear somewhat insulting here...But the answer's in the question, weighing things.