Final answer:
The weight of the 1.8 kg frog on Earth is calculated by the formula w = m × g, with g being the acceleration due to gravity (9.80 m/s²), resulting in a weight of 17.64 newtons.
Step-by-step explanation:
The weight of an object is the force due to gravity acting on it and is calculated by multiplying the mass of the object by the acceleration due to gravity. For the given frog with a mass of 1.8 kg, sitting static on a lily pad, we can calculate its weight using the formula w = m × g, where m is the mass, and g is the acceleration due to gravity. On Earth, g is approximately 9.80 m/s². Therefore, the weight of the frog is:
w = 1.8 kg × 9.80 m/s² = 17.64 N.
Thus, the weight of the 1.8 kg frog on Earth is 17.64 newtons (N).