Question

1. An object weighs 300 N on Earth and 50 N on the Moon. Does the object also have less inertia on the Moon?

2. Consider a child holding a helium balloon in a closed car at rest. What would the child observe when the car (a) accelerates from rest and (b) brakes to a stop? (The balloon does not touch the roof of the car.)

Answer 1

1. The inertia on the object is the same on the both planets.

2. The balloon moves opposite to the direction of acceleration

a) backward

b) forward