Question

please write neatly

Practice drawing FBDs You will first identify all the forces using the approach above (Foblect 1-object 2) and then switch to mg, N, 1, e H. Each description below indicates the object of interest via bold italics. Draw a picture of the situation, in which you identify contact points. Then, following the same steps outlined above, draw a FBD on the object of interest. All forces should be written as above (Fobiect 1-+oblect 2). Make sure the lengths of the arrows are the magnitudes of the forces you draw! All forces need to have the origin on the object of interest! 3 representative of Picture of the situation; identify contact points FBD for object of interest A book is at rest sitting on a table. John is trying his best to move his heavy standing desk by pushing horizontally, but to no avail. A helicopter is moving a load of cargo upwards increasing speed. The load is tied with rope (assume just one for simplicity). with After reaching a horizontal slope, a skier is slowing down. In the space below, redraw the FBDS from the table above and identify the forces using the following: mg (or W), N, T. f. fe, and FA (meaning force applied) if a person is pushing I on an object of interest.

Answer 1

(book contact points ka 7 Table So not force = 0 Book Book is at rest; - N - Mg =0 Na mg DAN Contact Table 1 At Taple! Contact & points. AN(Normal -force die ton contact N Also, (2N = my or-mo] Table is at rest I AN - FA- fs = 0 Na a FAF John (static friction) SANA John (static porcin) FA 3). Helicoptent Helicopter t he a cargo. I Cargo. Contact points Cargo Tong ung as the cargo accelerates as the cargo arama opwards; so T ry =) T= mg ta

a contact points e contact surface OAN. (Normal from ground). N=w as no acceleration along weight of vertical direction. (kinetic friction (man + skier)