weight, mass and gravity Flashcards

1
Q

what is the gravitational force

A
  • gravitational force is the force of attraction between all masses
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what does gravity attract

A

-gravity attracts all makes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what are 2 important effects of gravity

A

1- it gives every thing weight

2- on a surface of a planet it makes all thing accelerate towards the ground

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

true or false

weight and mass are the same

A

false

-weight and mass are not the same

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is mass

A

-mass is the amount of stuff in an object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

true or false

for any given object it will have the same mass value any where in the universe

A

true

-mass doesn’t change anywhere in the universe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is weight caused by

A
  • weight is caused by
  • the pull of the gravitational force
  • weight of an an object is just the force of gravity pulling towards the centre of the earth
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

will the weight of an object be the same in earth and moon

A

-the object weight will be different

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

true or false
-the object weight will be different for example a mass of 1kg will weigh less on the moon as of the gravitational force pulling on it is less

A

true

-because the gravitational force will be less

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is weight measured in

A

weight = kg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is mass measured in

A

mass = N

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

true or false

mass is a force

A

false

mass is not force

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is formula for weight

A

formula weight

-weight = mass x gravitational field strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what does the letter G represent in gravity

A

-G represents the strength of gravity and its value is different on different planets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly