Draw length is a measurement of how far an archer pulls a bow string. It’s a specification that will inform ... the target and your elbow will be inline with your arrow (see the diagram below). It’s ...

Alan Davies and Marcus Du Sautoy get to grips with the problem of measuring the exact length of a piece of string. They visit the National Physics Laboratory, look at how a metre is defined now ...

Let me just check with a quick measurement ... relationship between the angular velocity and the length of the string? Looking at the force diagram above, there is only a component of the tension ...

Attach a string or cord to a vibration generator and use a 200 gram (g) hanging mass and pulley to pull the string taut as shown in the diagram ... observed. Measure the length of as many half ...