A Uniform Beam Having a Mass of 60 Kg and a Length

question 27

Multiple Choice

A uniform beam having a mass of 60 kg and a length of 2.8 m is held in place at its lower end by a pin. Its upper end leans against a vertical frictionless wall as shown in the figure. What is the magnitude of the force the pin exerts on the beam?

• A) 0.68 kN
• B) 0.57 kN
• C) 0.74 kN
• D) 0.63 kN
• E) 0.35 kN

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Definitions:

Repeated Games

In game theory, repeated games are those where the same game (with the same payoffs to strategies) is played more than once, allowing for strategy development over time based on past outcomes.

Payoffs

The outcomes or returns from an action or investment, notably used in the context of game theory to represent the consequences faced by participants.

Short Run

In economics, a period during which at least one of a firm's inputs is fixed, limiting its capacity to adjust to changes in demand.

Long Run

A period in which all factors of production and costs are variable, allowing for full adjustment to change.