Multiple choice

A boy was travelling with his father on a scooter. He noticed a huge truck with many big wheels. He compared the size of the wheel to that of his scooter. He then asked his father,'' why are the wheels of heavy vehicles broad and more in number. Which of the following is the correct answer of the question asked by the boy?

  1. They spread out the weight.

  2. Heavy vehicles look stylish in that way.

  3. This prevents wear and tear.

  4. Small wheels will be required more in number.

  5. The vehicles look taller in that way.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The huge broad wheels on such heavy vehicles help to spread out the weight more evenly, which decreases the pressure on the wheels, and helps them to take a heavier load. Larger surface area of the wheels also helps to maintain stability.