900 lb 550 lb 325 lb Nc NB

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter2: Matter And Energy
Section: Chapter Questions
Problem 10RQ: Why does an object weigh less on the moon than on earth?
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Question

The baggage truck A shown in the photo below has a weight of 900 lb and tows a 550-lb cart B and 325
lb cart C. For a short time the driving frictional force developed at the wheels of the truck is 40t lb,
where t is in seconds. If the truck starts from rest, determine its speed in 2 seconds. Also, what is the
horizontal force acting on the coupling between the truck and the cart B at this instant?

900 lb
550 lb
325 lb
Nc
NB
Transcribed Image Text:900 lb 550 lb 325 lb Nc NB
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