Gravity
The force of attraction between objects due to their masses
What is Gravity?
If you have a mass of 70 kg, and gravity is 9.8 m/s/s on Earth, what is your weight?
What is 686 N
The measure of the pull of gravity on a mass
What is Weight?
Frictional force between air and a moving object.
What is air resistance?
This comes from the center of a mass
What is gravitational force?
W= ____ * g. Or ____ is always constant, it never changes
What is mass?
If a ball's weight is 11.1 N on Mars, with a gravity of 3.7 m/s/s, what is the ball's mass?
What is 3 kg
True or False. Neglecting air resistance, two objects of different masses will land at different times.
What is false.
What is true.
Small mass objects have _____ than larger ones
What is less gravitational force?
When we are farther away from the center of the earth there is ____
What is less gravitational force?
For objects to fall faster your air resistance needs to _____
What is decrease?
Increasing the distance between masses will do what to gravitational force?
What is decrease the gravitational force?
60 g object will have a ____ gravitational force than 65 g object.
What is smaller gravitational force?
The moon has less mass than the earth, that would explain why we ___ ____ on the moon than the earth.
What is weigh less?
True or False. Surface area increases air resistance.
Every mass has a ____ amount of gravitational force
What is equal?
We don't attract paper clips to us because the ___ has a larger mass and more gravitational force than we do.
What is true.
Parachutes help skydivers to __________ their air resistance so they can land safely.