Finding the gravitational force

AI Thread Summary
To find the gravitational force on mass 1, which is 2 kg, the user needs to apply the formula F=F12+F13, considering the forces from the other masses. The configuration resembles a triangle, and the net force can be calculated using the principle of superposition. It's important to analyze the angles and components of the forces, as some may cancel out if the triangle is equilateral. The user is preparing for a physics test and seeks clarity on these calculations. Understanding the geometry and applying the correct formulas will help solve the problem effectively.
nissanfreak
Messages
11
Reaction score
0
This is the last question I have on my study guide that I can't solve. My physics test is tomorrow and I just want to be ready for it. Please help me figure this one out!

What is the gravitation force on mass 1 if each mass is 2 kg?

O<---(5m)---->O mass3
I -
I -
(2m) -
I -
O - < mass1

Well I hope you can understand that.
I know that the hypotonuse is the square root of 29 so I am guessing I need to use the formula F=F12+F13 to get the answer right or wrong?
 
Last edited:
Physics news on Phys.org
well my crude attempt at a diagram didnt come out so good lol. But its supposed to look like a triangle.
 
If you're trying to use the net force, then you will want to use superposition, which is basically what you are implementing. If its an equilateral triangle then some components will cancel, depending on how the triangle is configured.
 

Thread 'Errors and significant figures'

I multiplied the values first without the error limit. Got 19.38. rounded it off to 2 significant figures since the given data has 2 significant figures. So = 19. For error I used the above formula. It comes out about 1.48. Now my question is. Should I write the answer as 19±1.5 (rounding 1.48 to 2 significant figures) OR should I write it as 19±1. So in short, should the error have same number of significant figures as the mean value or should it have the same number of decimal places as...
View full post »
Thread 'A cylinder connected to a hanging mass'

Thread 'A cylinder connected to a hanging mass'

Let's declare that for the cylinder, mass = M = 10 kg Radius = R = 4 m For the wall and the floor, Friction coeff = ##\mu## = 0.5 For the hanging mass, mass = m = 11 kg First, we divide the force according to their respective plane (x and y thing, correct me if I'm wrong) and according to which, cylinder or the hanging mass, they're working on. Force on the hanging mass $$mg - T = ma$$ Force(Cylinder) on y $$N_f + f_w - Mg = 0$$ Force(Cylinder) on x $$T + f_f - N_w = Ma$$ There's also...
View full post »

Similar threads

Find the attractive force of gravity between two objects
Replies
8
Views
2K
Gravitational equipotential multiple choice problem
Replies
4
Views
2K
Calculate the gravitational force exerted on a 5.00 kg baby
Replies
2
Views
2K
Inverse square law of gravitation and force between two spheres
Replies
8
Views
2K
Gravitational Field Multiple Choice Help
Replies
5
Views
2K
Why is the thrust equation same under gravitational force?
Replies
10
Views
2K
Gravitational force confusing question
Replies
4
Views
2K
Work done by gravitational force (new problem)
Replies
9
Views
2K
I Sun gravitational lensing forces
Replies
11
Views
1K
Special Relativistic Gravitational Force Law
Replies
9
Views
2K

Hot Threads

Recent Insights

Back
Top