Question 2.11: The diagram below shows the plan view of a door hinged at A. If a man applies a force, F, of 40N at the end marked B, Calculate the moment of this force about A. what is the minimum force X that must be applied at C in order to stop the door …

Question 2.12: Consider a ladder weighting 200N resulting against a smooth wall such that it makes an angle of 60° with the horizontal. Fine the reaction on the ladder due to the wall and ground.