Are used for mechanical power transmission over long distances A. Spur Gears
B. Helical Gears
C. Planetary Gears
D. Chain and Sprockets

D. Chain and Sprockets

Explanation:

Chains and sprockets are power transmission tools. The roller chain is connected to a toothed wheel which is the sprocket. The combination provides mechanical power to the wheels of vehicles.

An advantage they possess is their ability to transmit mechanical power over both short and long distances. They have a high degree of efficiency but they require constant lubrication. They also produce noise during operation.

answer; i believe the correct answer is the player pushing down on the floor;

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