Presentation on theme: " Galileo discovered that mass does not affect the time it takes for an object to fall to the ground. Objects fall at the same rate (on earth it is."— Presentation transcript:
Galileo discovered that mass does not affect the time it takes for an object to fall to the ground. Objects fall at the same rate (on earth it is 9.8 m/s 2 ) https://www.youtube.com/watch?v=_m CC-68LyZM https://www.youtube.com/watch?v=_m CC-68LyZM
Air Resistance : the force that opposes the motion of objects through air › Depends on size, shape, and speed
Terminal Velocity : objects fall at constant velocity, force of gravity is balanced by air resistance What will a parachute do?
Free fall : when gravity is pulling an object down and no other forces are acting on it all objects accelerate due to Gravity at a rate of 9.8 m/s 2
Orbiting objects are in free fall Centripetal Force : unbalanced force that causes objects to move in a circular path › Two motions cause orbiting ( circular path ) Traveling around an object Falling
Projectile Motion : the curved path that an object follows when thrown near the Earth’s surface due to gravity. › Frog Leaping › Sprinkler › Diver › Ball being thrown