Dec 8, 2020 · How were drawbridges and portcullises used tactically? I was recently asked why medieval castles would have both a drawbridge and a portcullis. After giving an explanation, I …

Problem 10 (Stabilizing a drawbridge) A drawbridge is being held stationary. This drawbridge is 10 m long and has a mass of 270 kg. It is attached at its base to a stone wall 2.0 m with a hinge. The …

Question: A uniform drawbridge must be held at a 37∘ angle above the horizontal to allow ships to pass underneath. The drawbridge weighs 45,000 N and is 14.0 m long. A cable is connected 3.5 …

Question: Suppose the weight of the drawbridge in the figure is supported entirely by its hinges and the opposite shore, so that its cables are slack. The mass of the bridge is 2500 kg.

Question: Suppose the weight of the drawbridge in the figure below is supported entirely by its hinges and the opposite shore, so that its cables are slack. (b) What is the magnitude in newtons and …

Problem 1 [20 points]: The figures below demonstrate side view of fully raised drawbridge (a) and side view of partially lowered drawbridge (b). As a resident of UK, you decided to live in a castle and …

The A loaded cement mixer drives onto an old drawbridge, where it stalls with its center of gravity three-quarters of the way across the span. The truck driver radios for help, sets the handbrake, and waits. …

At night while it is dark, a driver inadvertently parks his car on a drawbridge. Some time later, the bridge must be raised to allow a boat to pass through. The coefficients of friction between the bridge and …

Part D: Drawbridge Consider a wooden drawbridge being raised by a rope via a winch and pulley, as shown below. The drawbridge is attached to the wall by a hinge at the bottom left.

Question: A dancer is standing on one leg on a drawbridge that is about to open. The coefficients of static and kinetic friction between the drawbridge and the dancer's foot are μs and μk, respectively. …