What is the product of an object's speed and weight known as?

The product of an object's speed and weight is known as momentum. Momentum is a physical quantity that describes the motion of an object and is calculated by multiplying the mass of the object (which is a measure of its weight, considering gravity) by its velocity (which describes its speed in a specific direction). This means that momentum takes into account both how fast an object is moving and how much mass it has, thereby providing a comprehensive understanding of its motion.

In more technical terms, momentum is represented as "p = mv," where "p" stands for momentum, "m" for mass, and "v" for velocity. This relationship highlights the correct understanding of how an object's inherent properties contribute to its behavior in motion, making momentum a crucial concept in physics.

The other concepts like acceleration, force, and velocity relate to motion but do not specifically represent the combination of an object's speed and weight. Acceleration is the rate of change of velocity, force is related to mass and acceleration (as per Newton's second law), and velocity describes only the speed and direction of an object without incorporating its weight.