Free Body Diagram

What will the FBD of point B look like?

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What direction of motion will the roller support resist?

• Horizontal

• Rotational

• Vertical

What direction of motion will the pin support resist?

• Horizontal and Rotational

• Horizontal and vertical

• Rotational

What direction of motion will a fixed support resist?

• Horizontal and vertical

• Vertical and rotational

• Horizontal, vertical and rotational

What direction will the roller's reaction be?

• Parallel to the surface

• Perpendicular to the surface

• Vertical

What will be the reactions at support A?

• Vertical and Rotational

• Horizontal and Rotational

• Vertical and Horizontal

What will be the FBD of the whole system?

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What will be the FBD for member AB?

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In springs, the force exerted by the spring is equal to k multiplied by s. What is meant by k and what is its typical unit?

• stiffness; Nm

• stiffness; N/m

• elastic modulus; N/m

Where does the weight of an object act?

• center of geometry

• center of pressure

• center of gravity