Coursera – “Introduction to Engineering Mechanics”

Week One Quiz – Modules 1-6

Problem 1)

What is the weight in newtons of a 2500 pound vehicle?

a) 11,120 N

b) 24,525 N

c) 562 N

d) None of the above

Problem 2)

The cable BCA in the figure below passes without friction through a hole at the end of

the strut at C, and ties to the ground at A and to the end of the pole at B. If the tension in

the cable is 800 lb, what is the force exerted by the cable onto the pole at B?

a) lbji ˆ358ˆ716

b) lbji ˆ716ˆ358

c) lbji ˆ716ˆ358

d) None of the above

x

y

Problem 3)

A water bucket is suspended by two cables as shown below. The maximum tension

either cable can withstand is 10 lbs.

What is the maximum weight of the water bucket that can be supported?

a) 18.4 lb

b) 13.7 lb

c) 12.8 lb

d) None of the above

..

30⁰

Water Bucket

4

.3

C

B

A