- #1
shaka091
- 6
- 0
Hey guys I was hoping you would be able to solve this question for me with a worked solution :)
And also this question, thanks a lot :)
And also this question, thanks a lot :)
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rock.freak667 said:You just need to sum the torques about the point where it makes contact.
T = r x F
F points in the opposite direction of the y-axis so F = -Fj.
To get r just write down how you get from the point to the force.
Example: If you move along the x-axis 30 mm positively and you reach the force r= 30i mm
shaka091 said:Ok so I r=250i + 75j + 300k
And F is unkown. Because the moment is around the x axis, I got something like this (75*z)-(300*y)=280Nm
But wouldn't know where to go from there.
shaka091 said:Thanks for your help, lol turns out I should have just used this formula M=F*D
with distance being (300^2+250^2)^0.5 * F = 280
A moment and force question refers to a physics problem that involves calculating the forces and moments acting on an object in a given situation. These questions often require knowledge of concepts such as torque, equilibrium, and Newton's laws of motion.
Some common types of moment and force questions include finding the net force acting on an object, determining the equilibrium conditions of a system, and calculating the torque required to rotate an object. These questions may also involve real-world scenarios, such as analyzing the forces on a bridge or a car.
To solve a moment and force question, start by drawing a diagram of the given situation and labeling all the known forces and distances. Then, use Newton's laws and other relevant equations to set up and solve the problem. It is important to pay attention to both the magnitude and direction of the forces and moments in order to get an accurate solution.
Some common mistakes to avoid when solving moment and force questions include forgetting to account for all the forces acting on an object, using incorrect equations or values, and not paying attention to the direction of the forces and moments. It is also important to double check your calculations and ensure that your answer makes sense in the given context.
Yes, some helpful tips for solving moment and force questions more efficiently include breaking the problem down into smaller, more manageable parts, using vectors to represent forces and moments, and practicing with a variety of different problem types. It can also be helpful to work with a study group or seek assistance from a tutor or teacher if you are struggling with a particular concept or problem.