\[ F = Gg \frac{m_1 \times m_2}{r^2} \]

a)

\[ F = k \frac{m_1 \times m_2}{r^2} \]

b)

\[ F = G \frac{q_1 \times m_2}{r^2} \]

0
c)

\[ F = G \frac{m_1 \times m_2}{r^0} \]

d) None

2. What is the capital of France?

a) Berlin
b) Paris
c) Madrid
d) Rome