00:01
This problem is attacking a couple of different aspects of physics.
00:06
One, looking at gravitational field strengths and the effect that that has on gravitational potential energy, gpe.
00:16
Okay, so i've got some examples here just kind of to throw out to help you attack both parts of the problems.
00:24
I'm going to start with looking at the assumption that the earth's gravitational field strength is 10 newtons per kilogram.
00:33
So what that means is that for each kilogram of mass, an object will experience 10 newtons of force.
00:41
Okay.
00:42
Now, that'll help us solve this column here if we're trying to look at particular weights and neutens based on a certain amount of mass.
00:51
Okay, so for example, if the mass is 5 kilograms and it has 10 newtons of force per kilogram, then we're looking at 50 newtons.
01:01
If it's two kilograms, we're looking at 20 newtons.
01:05
And so on.
01:06
Eight would be 80.
01:08
20 would be 200.
01:11
5 ,000 would be 50 ,000.
01:16
0 .2 kilograms would be 2 newtons of weight.
01:20
And 67 kilograms at 10 newtons of force would be 670 newtons...