QUESTION 4 In the figure, a uniform ladder 14 meters long rests against a vertical frictionless wall. The ladder's mass is 40kg N and makes an angle e =79° with the floor. a) What is the normal force exerted the wall on the ladder? b) What is the coefficient of static friction between the floor and the ladder? Show your work on the scratch appear including all the forces acting on the ladder, the equations used and the calculations.
Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
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