A block that is 5 m wide and .5 m tall is subjected to three forces and a moment as shown in Figure 2. The forces have magnitudes 200 N and 300N. The 200 N force travels from point D to a point on the beam 2 meters from point A this force acts on the surface of the block. The Moment is -xerted at 4m from point A and has magnitude of 50 N-m. Point A is a pin and point B is a roller. Hote: The 300 N force does not go through point A. The pin at point A is at the midpoint of the lock (i.e. .25 m above point B). Solve for the reactions at point A in two sig figs.

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.