Answer:
Newton's laws of motion and gravity explained Earth's annual journey around the Sun. Earth would move straight forward through the universe, but the Sun exerts a constant pull on our planet. This force bends Earth's path toward the Sun, pulling the planet into an elliptical (almost circular) orbit.
Answer:
Water is important to showing there can be a chance there's life on the planet
Explanation:
Because if there no water to sustain living life it cannot have anything living on it
Answer:
- 20 N
Explanation:
20 N - 40 N = - 20 N
The resultant force is - 20 N.
Answer:
Switches in mains circuits should always be included in the live wire so that when the switch is open no electrical energy can reach an appliance. If the switch is included in the neutral wire, electrical energy can still enter an appliance, and could possibly cause an electric shock (Figure 7.10).
Explanation:
