science
Grade-7
Easy

Question

Which of the following is an example of rectilinear motion?

  1. The motion of light from the sun to the earth
  2. The motion of a giant wheel
  3. The motion of a caterpillar on a tree
  4. The motion of a snake

hintHint:

The motion of a caterpillar on a tree is a rectilinear motion.

The correct answer is: The motion of a caterpillar on a tree


    Caterpillar is moving in a straight line on the tree, its flow of muscle contractions toward the sides seems like caterpillar's motion is a rectilinear motion.