Dolly (trailer)

High school (ages 12+)
Transportation

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/dolly-trailer

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is a dolly trailer?A dolly trailer is a small, unpowered trailer that is attached to a truck to add extra axles and help carry more weight.
2. How does a dolly help trucks carry more stuff?It adds extra wheels so the weight is shared, making the truck lighter on its own wheels and allowing it to haul heavier loads.

Prime Mover: The powered vehicle, typically a tractor unit, that provides the motive force for an unpowered trailer or dolly.
Drawbar Assembly: The structural component, including the drawbar and hitch, that connects the dolly to the towing vehicle and transmits forces.
Axle Weight Limit: The maximum permissible weight that can be carried by a single axle or a group of axles on a vehicle.