Determine the center of gravity of the backhoe from front wheels. d) Determine the support forces on front and rear wheels (total four wheels). Are there any friction forces on the wheels? If no, what will happen?

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?

Positive ions differ from neutral atoms in that

During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver