G - the gravitational field strength of the earth which is measured in Newton’s per kilogram (N kg -1) or sometimes m s -2. M - The mass of the body measured in kilograms (kg) The weight of a body is the gravitational force experienced by that body. A force is a vector quantity and the SI units for the measurement of force are Newton’s (N). In general terms one can describe any force as 'the cause of a deformation or a velocity change'. Finally, you can get, uh, net force F Jessica so t one we already found FCC goes to mg over to So we have basically a phone or the values so t for I wish you t want t to tea tree f ah, both just mg over to.Forces and dynamics 2.2.1 Calculate the weight of a body using the expression W = mg. Mg over to right So empty over two plus m g. We must be close to mg over to my thesis also goes to t two and putting that into this equation to issue he goes to t one thus MGI Now we know what it t one and tea tree actually connected together a lonely simply so they must also share the same tension. And this would be because 22 times off t treat right? If you were to just substitute in a t to ask tea tree way will get two times off tea tree 65 which is close to a G. Their 42 must be close to t treat because the anti police system using liquid room means that the net force must be zero, which means that t five must be close to t two plus t treat. They must have the same tension since it is in a cool graham and there are no moving. I can t auto, we have a putting force t two and he treated us putting upwards and we have $25 testifies theater tension there supporting this mess em So this must be close to empty now because both t 23 are coming from the same string right there. Now we're assuming that the poorly it's Elvis massless so it doesn't have any mess. You may say that forces cereal therefore t four must be close to he won't plus t two plus treat. Now for this top woody up one, we have attention t for this, Putting it upwards, keeping it on the ceiling that the f t one that is putting down t treated sporting going well and finally t two They're so, so putting They'll be by D because they're an equilibrium. So in that case, great, they must be incredible, right? It means that looking at each of the police, we can draw a free body diagram. So given that the pulley system it's not cool, writes Andy a mess on their no turning their no rotating. We need to understand Thean relationship between the police. This question, you gotta find the tension that I said District Various tension.
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