Galileo’s Laws of Motion Discourses on Two New Sciences (1638)

• The two new sciences dealt with:

• Strength of materials
• Motion

• The basic experiments were completed by 1604.

• While under house arrest, Galileo wrote up the results of his research. Lamentably, the Inquisition would not allow this study to be published in Catholic territory.

• The most notable results:

• The path of a projectile is a parabola.
• All bodies are accelerated at the same rate in a vacuum, regardless of mass.
• The rate of acceleration is proportional to the square of the time that passes. Galileo measured the rate of acceleration on earth: 32' (9.8 m) per second per second.