Quiz Questions

1
READING QUIZ
The moment of a force about a point or an axis
provides a measure of the forces tendency ___
A) to move a body towards the point or axis.

B) to rotate a body about the point or axis.
C) to deform a body.
D) to lift a body.
2
READING QUIZ
Select the magnitude of the cross product of two
vectors A and B that have an inside angle ?
between them.
A) AB sin ?
B) A sin ? B
C) AB cos ?
D) A2 B2 2AB cos ?
3
READING QUIZ
Find the moment of force F with respect to point
C.
A) 0
B) 30 in?lb
C) 40 in?lb
D) 50 in?lb
4
CONCEPT QUIZ
The moment of vector of force F with respect to
point A can be written as
Z
A) 200 i 300 j ft-lb
B) 200 i 300 j ft-lb
C) 200 i 300 j ft-lb
X
D) 200 i 300 j ft-lb
5
CONCEPT QUIZ
The moment vector of force F with respect to
point A lies in the
Z
A) x-z plane.
B) x-y plane.
C) y-z plane.
X
D) Cannot be determined.
6
ATTENTION QUIZ
Select the true statement.
A) i ? i 1
B) i ? j - k
C) k ? j i
D) k ? i j
7
ATTENTION QUIZ
Using the figure, find the moment of force F with
respect to point A .
A) 0
B) 30 in?lb
C) 40 in?lb
D) 50 in?lb