A 25.0-N force directed North is acting on a 10.0-kg crate. What must be the magnitude and direction of a second force on the crate to be in equilibrium? 2.50 N, South 25.0 N, North 2.50 N, North 25.0 N, South
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- A block of mass m sits at rest on a rough inclined ramp that makes an angle with the horizontal. What must be true about normal force F on the block due to the ramp? OA. F= mg cos9 OB. F>mg OC.F>mg sin OD. F> mg cos OE. F=mg sinA 15 kg block is observed to be speeding up as it moves up an incline. The magnitude of the block's acceleration is 1.2 m/s 2 . The angle of the incline is 24 o above the horizontal. An applied force is predominantly directed up the incline but its direction is 12o above the incline itself Find the magnitudes of the following forces: a. The normal force exerted by the incline. b. The applied force. Needs Complete typed solution with 100 % accuracy.Lauren pulls her 18 kg suitcase at a constant speed by pulling on a handle that makes an angle of θ with the horizontal. The frictional force on the suitcase is 27 N and Lauren exerts a 43 N orce on the handle. a) What angle does the handle make with the horizontal? b) What is the normal force exerted on the suitcase?
- A block is placed on a 10° incline plane. The block has a mass of 150kg. The coefficient of static friction on all surfaces of contact is equal to 0.23. 92. What is the value of the normal force present in the block? a. 1449.14 N b. 1255.52 N c. 921.84 N d. 1382.76 N 93. What is the value of the frictional force present in the block? a. 195.4 N b. 273.9 N c. 283.9 N d. 276.55 N 94. Determine the minimum force along the plane that needs to be exerted on the block to keep it from moving. a. 58.97 N b. 612.07 N d. 173.9 N c. ON 95. What horizontal force should be exerted on the block to impend motion up the plane? a. 699.17 N b. 713.11 N c. 516.13 N d. 678.57 N16 9. Three horizontal plastic ropes pull on a box which is stuck on the ground producing vector forces: A. B and C as shown. Find the magnitude and direction of the fourth force that will make the vector sum of the forces zero B = 40 N A 50 N 30° 60° = 20 N Figure 20 Ans. 57.2N, 56.3° below -x-axisDetermine the magnitude and direction, respectively; of the net force acting on an electric fan with a 8.5 N acting north and a 12.0 N acting east. Select one: a. 54.69 0, 14.71 N b. 35.31 0, 14.71 N, c. 14.71 N, 54.69 0 d. 14.71 N, 35.31 0
- Consider a 2.00 kg box on a frictionless plane that is inclined at an angle of 300 with the horizontal. A force F is applied on the box with the direction parallel to the incline as shown in the figure. INCLINE 1. What is the magnitude of the normal force exerted by the plane on the box? A. 9.81 N B. 11.3 N C. 17.0 N D. 19.6 N F7. The gusset plate is subjected to the two forces shown. Replace these forces with two equivalent forces; F, in the x direction and Fa in the a direction. What are the magnitudes of F, and Fa? 1000 N 45⁰ /25000 10 750 N aWhile digging a small hole prior to planting a tree, a homeowner encounters rocks. If he exerts a horizontal 239-N force on the prybar as shown, what is the horizontal force exerted on rock C? Note that a small ledge on rock C supports a vertical force reaction there. Neglect friction at B. Complete solutions (a) including and (b) excluding the weight of the 17-kg prybar. A 239 N 1550 mm 16° B 230 mm Answers: (a) Including weight, Fc- i (a) Excluding weight, Fe- i N
- 1. Consider the forces acting on these three changes and list in order of the magnitude of the force starting with the smallest. A B -C -q +q +q Find FA Find FB Find Fc List in order of the magnitudeVector Addition of Nonperpendicular Forces Problem: 1. A force of 40N and a force of 60 N act concurrently on a point P. The 60 n force acts in the direction of due east. The 40 n force acts in the direction 60° north of east. What is the magnitude and direction of their resultant? 2. A 100 N force and a 50 N force act on a point P. The 100 n force acts due north. The 50 N force acts due east. What is the magnitude and direction of the resultant force?QUESTION 1 A force system is shown below: Which of the following most nearly gives the magnitude of the resultant of the given forces? 55 KN 3 O a. 76.85 kN O b. 121.32 kN O c. 102.67 kN O d. 81.56 kN 200 KN 30⁰ 30 kN 40⁰ 20⁰ 100 kN u QUESTION 2 Which of the following most nearly gives the component of the resultant along the u-axis? O a. 47.63 kN O b.74.48 kN O c. 79.04 kN O d.99.50 kN