What device uses the force of the cow trying to walk through it to open, close, and latch the gate?

Answer : Headgates.

Explanation : Headgates are a kind of gate which allows the movement of cow with their force to open or close the gate and also latch the gate. It is most widely used for catching cattle. It allows the cow's head to pass through but blocks it's shoulders. This position allows us to utilize the cattle as they have easy access to work in the chute.

his week a heat wave will be hitting, and most of the country will be experiencing temperatures above average for july. due to humidity, the temperature outside can feel even warmer than it actually is. this adjusted temperature, often referred to as the “feels like” temperature is called the heat index. the chart shows the heat index, which is calculated based on temperature and relative humidity. use this chart to answer the following questions.