Question

whenever your father travel, he prefers bags with wheels. do you know the reason for it?
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Answer 1

The reason behind the preference for bags with wheels is as follows -

• We have to manually lift up the bag which don't have any kind of wheel, so we have to work against the gravity in order to carry such bag. This requires a lot of physical efforts.
• On the other hand, the bags which have wheels don't require manual lifting and can be pulled away very easily. Carrying such bags requires a lot less effort.
• That's why, wheel included bags are often preferred by many people.