Question

Sand and gravel are spread on slippery roads during the rainy season. This is to:

• A. Increase the grip for easier walk and drive, by reducing friction.
• B. Increase the grip for easier walk and drive, by increasing friction.
• C. Reduce the grip for easier walk and drive, by reducing friction.
• D. Reduce the grip for easier walk and drive, by increasing friction.

Answer 1

The correct option is B Increase the grip for easier walk and drive, by increasing friction.

Sand and gravel provide the slippery road with irregularities, which helps to increase friction on the road. This helps us for easier walk and drive on the road.