Question

It is recommended that lanyards should be used along with a ___________________ since they greatly reduce what the arresting force will be if a fall occurs.
a. positioning device
b. shock absorber
c. rope grab
d. rail system

Answer 1

The best and most accurate answer to identify what should be used along a lanyard because it reduces the arresting force if a fall occurs is a shock absorber (second choice). 

Hope my answer has come to satisfy your query.

Answer 2

It is recommended that lanyards should be used along with a shock absorber since they greatly reduce what the arresting force will be if a fall occurs. 

Hope this helps !

Photon