Question

which of the following is an example of rotation?

a ball thrown vertically upward

formation of image of an object in water surface

movement of a truck wheel

foot prints

Explanation:

• A ball thrown vertically upward is linear motion (translation), not rotation.
• Formation of an image in water is reflection (optical phenomenon), not rotation.
• A truck wheel moves by rotating around its axle, which is rotation.
• Footprints are due to translation (movement of foot) and impression, not rotation.

Answer:

C. Movement of a truck wheel