Explanation
Ceramics are mixtures of metallic and nonmetallic elements that withstand exteme thermal, chemical, and pressure environments. They have a high melting point, low corrosive action, and are chemically stable.
If Gear 1 moves in a clockwise direction, which other gears also turn clockwise?
The diagram below represents a load sliding down an incline. Which of the forces (A,B,C, or D) represent friction?