Chris Beardsley on Twitter: "If muscle fibers are stimulated to increase in size after they detect the presence of mechanical tension, then the force- velocity relationship must be the starting point for understanding
![Two pulley wheel system with information box for mechanical advantage and velocity ratio Stock Vector Image & Art - Alamy Two pulley wheel system with information box for mechanical advantage and velocity ratio Stock Vector Image & Art - Alamy](https://c8.alamy.com/comp/EMB91F/two-pulley-wheel-system-with-information-box-for-mechanical-advantage-EMB91F.jpg)
Two pulley wheel system with information box for mechanical advantage and velocity ratio Stock Vector Image & Art - Alamy
![BIC CORPORATION Bic® Velocity Mechanical Pencil, Refillable, Rubber Grip, 0.7mm, Blue Barrel, Dozen (MV711BK) | Zoro BIC CORPORATION Bic® Velocity Mechanical Pencil, Refillable, Rubber Grip, 0.7mm, Blue Barrel, Dozen (MV711BK) | Zoro](https://www.zoro.com/static/cms/product/large/Buy%20Supply%20Inc%20dba%20Linq%20USA%20Corp_OIYxxBICMV711BKxxda6e28.jpeg)