Gravity Flashcards
A gravitational force is experienced by any ________________________________.
mass in a gravitational field
The more __________ an object has, the ______________________________ will be.
mass
greater its gravitational field
What is mass?
The amount of matter an object contains.
What is the centre of mass?
The point representing the mean position of the matter in a body.
What is weight?
The force acting on an object due to gravity.
How can weight be measured?
Using a Newton meter.
Where there is a ____________ gravitational field, the weight of an object is _____________.
weaker
smaller
Astronauts seem to be weightless because both they and the space station are constantly _________________________.
Even as they are still within the __________________________.
falling towards the Earth
Earth’s gravitational field
The weight and mass of an object are _______________________.
directly proportional