Draw free body diagram for the following no friction. (Pulley & Spring have no weight. system te 2 spring. W3 is movable with the forces with pulley Give the equation for m WA M W3 mm W2
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- a 10kg crate is being pulled with a force of 40N at an angle 30degrees. Find for the NORMAL force exerted on the crate. * 78N 137.52N 98 N O 118N8 Totol 2pts 9 Apt No friction Thoe: *Find tension Dnow * Find acceleratio, FBB Seperoely 370 pt uK=0.2 for ond There is friction betweens ébgect A ond the suroce * Find tensies * Find accelerotienTwo blocks of mass ? and 2? rest on a rough incline plane with coefficient of kineticfriction ??. The two blocks are connected to a cable with tension ?1, and the block of mass ? isconnected to a ball of mass ? by a cord over a lightweight, frictionless pulley with tension ?2, asshown below. When the system is released from rest, the ball of mass ? accelerates downward,and the two blocks accelerate up the incline. You may ignore the mass of each cord.
- A block resting on a horizontal surface and weighing 200N is acted upon by a horizontal force of 100N. It attains a velocity of 12m/s in a distance of 40m starting from rest. Find the value of fk.0 the answer should be 3 decimal places5. A crate with a mass of 30 kg rests on a floor. On top of the crate stands a 45-kg girl. What is the normal force exerted on the crate by the floor? [Ans 6. A person stens hosinontay off the Tool of a single-story house that is 3.1 m high. When his feet hit the his knees al to a OEL OYCT this distance? stonCalculate the how long a 15 N force was applied to push a 14 kg push cart if it starts from rest to a final velocity of 4 m/s to the left. Calculate the force applied on a 14 kg pushcart if it starts from rest to a final velocity of 7 m/s to the left during a 4.5 s time interval.
- he Atwood machine shown below, m, -2.00 kg and my 6.80 kg. The masses of the pulley and string are negligible by comparison. The puley tus without ricton and the string does not stretch The ter object is released with a sharp push that sets it into motion at v -2.35 m/s downward. (a) How far will m, descend below ts intial level (b) Find the velocity of m wter 10s magude direction Additional Materials Sclecd- wcy abook Activate Windos pwarda 60kg dancer applies to a horizontal force of - 800N on the dance floor. The dancer's acceleration will beA child pushes on a toy wagon with a net force of 20.0N. the wagon accelerates from a speed of 0.500m/s to a 50% greater speed while it goes 5.00m find its mass.
- MY NOTES ASK TOUR Calulate the magnitude of the normal force on a 17.7 kg block in the following droumstances. (Enter your answers in N) HINT (a) The block is resting on a level surface. 173 46 The for cases in this problam are the ost comm sitti t r, gfrthe fom ies (b) The block is resting on a surface tited up a 40. angle with repect to the horizontal. 131 2934 A Sled of mass = 6.50 kp is Shain e hill thet hes 45,0 deprees The is an applied fre Sled oloun Snow-Covered she the!in cline f 80.4 N. The coefficient f faction beturen Olown on pushige kenehic prepedicular the sled and Snow. 0,100. which g he free boody disprous below is drow ocrectly for she siduehon above2 FA FK Map FA FA 2)A 10 kg block experiences a frictional force of 8.66 N as it slides 2m down an incline as shown. a)DrawaFreeBodyDiagramfortheblockandinclude (delta)s.