Quiz 2 - Midterms

The beam loaded as shown is supported by a hinge at A and a cable that runs on smooth pulley at D, If the weight of the bag is 50 KN, determine the following:

The tension in the cable BDE

• 52.88 KN

• 58.28 KN

• 82.58 KN

• 88.52 KN

The beam loaded as shown is supported by a hinge at A and a cable that runs on smooth pulley at D, If the weight of the bag is 50 KN, determine the following:

The horizontal component of the reaction at A

• 53.112 KN

• 49.548 KN

• 34.968 KN

• 31.728 KN

Define Moment

• Product of force and perpendicular distance from a point

• Twisting force

• Perfectly rigid

• No.of forces

The beam loaded as shown is supported by a hinge at A and a cable that runs on smooth pulley at D, If the weight of the bag is 50 KN, determine the following:

The vertical component of the reaction at A

• 45.184 KN downward

• 54.904 KN downward

• 98.644 KN downward

• 109.336 KN downward

Unit of Moment

• Newton

• Nm

• N/m

• Kg/m

Types of moment

• Clockwise moment

• Anticlockwise moment

• All the above

Principle of moments is otherwise called as

• Lami's Theorem

• Principle of transmissibility of Force

• Varignon's Theorem

• Parallelogram Law

Varignon's theorem is used to find

• Magnitude of Resultant

• Direction of Resultant

• Position of Resultant

What is a Couple?

• A pair of concurrent force

• A pair of Coplanar force

• A pair of unlike parallel force

• A pair of Non coplanar concurrent force

Conditions of equilibrium

• Summation of Horizontal forces are equal to zero

• Summation of Vertical forces are equal to zero

• Moment about a point is zero