Quiz ES3

A sketch of the body showing all forces that act on it.

_____________ force is the action to the applied forces on a rigid body

Which is true about the reaction to the flexible cable of negligible weight?

• Tension

• Normal to the Surface

• Friction Force

• Unknown force

The reaction to roller support is ___________________

• Force of unknown magnitude N normal to the surface

• Tension of unknown magnitude T in the direction of the support

• Unknown Force R

• Unknown force R and a couple of unknown magnitude C

how many unknown forces need to compute in built-in support?

• 4

• 3

• 2

• 1

The Na in the figure represents

• the normal reaction at A

• the weight at A

• the friction at A

• Tension at A

The tension in the cable at C is

• 20-deg to the horizontal

• T

• perpendicular to the location of gravity

• none of the choices

A system when forces act at the same time but causes no motion is called

• coplanar force system

• concurrent force system

• collinear force system

• parallel force

system that holds a body in equilibrium is called _________________ if the number of independent equilibrium equations equals the number of unknowns that appear on its free-body diagram.

• statically determinate

• statistically determinate

• indeterminate

• static indeterminate

The tension in the rope is

• 735.8 N

• 981 N

• 470.11 N

• no sufficient intofmation