Answer:
Gravitational force,

Step-by-step explanation:
It is given that,
Mass of roast beef sandwich, m₁ = 0.05 kg
Mass of hungry tarantula, m₂ = 87 gm = 0.087 kg
Distance between two objects, d = 17 cm = 0.17 m
We need to find the gravitational force between them. It is given by :



So, the gravitational force between two objects is
. Hence, this is the required solution.