College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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- A ihh B QUESTION 3 Please refer to the diagram for questions In the provided diagram, position B is at the top of a hill of radius 31.4 m.An amusement park guest of mass 47.3 kg travels over B at 13.1 m/s. While at position B, the guest experiences two vertical forces: gravity [down] and one additional vertical force. Calculate the value of this other force. Where does this force come from?arrow_forwardA ladder of weight W stands on a rough floor and rests against a frictionless wall, illustrated above. It is only stable if the angle between the ladder and the ground is greater than theta (theta > 60 degree). a. Find the coefficient of static friction between the floor and the ladder. b. A child of weight 4W places the ladder against the wall at angle 70 degree(theta = 70 degree). Calculate how far up the ladder it is safe for the child to climb.arrow_forwardThree control rods attached to a lever ABC exert on it the forces shown. (a) Replace the three forces with an equivalent force- couple system at B. (b) Determine the single force that is equiva- lent to the force-couple system obtained in part a, and specify its point of application on the lever. 216 N 55 450 mm 600 mm 90 Ν 20° 30° 20 90 N Aarrow_forward
- Your brother’s toy car has a mass 0f 250. g. The car is going in a vertical circle in 3.50 s. The radius of the track is 40.0 cm. a. Draw Free Body Diagram of the car when it is at the bottom of the circle. b What is the magnitude of the force of the track on the car at the lowest point of the circle? a. Draw Free Body Diagram of the car when it is at the bottom of the circle.arrow_forwardThe block shown in figure #1 above has a mass of 4.30 kg. The applied force (? ⃑ ) has a magnitude of 31.2 N and is 32.0° above the horizontal, frictionless surface the block in on. a. What is the normal force (magnitude and direction) that acts on the block? b. What is the acceleration (magnitude and direction) that is experienced by the block?arrow_forwardA monkey of mass m = 10.0 kg is holding on to two vines each of length l = 3.00 m. The vines form an angle with the horizontal of 40.0 degrees (see figure). The monkey is not moving and the vines are considered massless and not stretchable. a. What is the distance d between the mounting points of the vines at the top? b. Draw a free body diagram of the monkey and indicate all forces.arrow_forward
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- Find the magnitude of tension in the two cords shown in the figure (Figure 1). Figure 0 m Ⓒ 1 of 1 Part A Neglect the mass of the cords, and assume that the angle is 36.0° and the mass m is 200 kg. What is the magnitude of the tension in the right cord (the horizontal one)? Use g = 9.81 m/s². Fin right cord Submit ▾ Part B What is the magnitude of the tension in the left cord? Fin left cord Submit for Part A for Part A undo for Part A redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A Request Answer Provide Feedback for Part B for Part B undo for Part B redo for Part B reset for Part B keyboard shortcuts for Part B help for Part B Request Answer N Constants N Next >arrow_forwardConcurrent forces are forces that act at a single point. The assignment cards show concurrent forces but the forces on the force table act on a ring, not at a point. Nonetheless, the forces are still concurrent. Explain.arrow_forward0 Select one: a. m 125. N Up the incline 125. N Down the incline OC24.9 N Down the incline 24.9 N Up the incline b. d. A mass is at rest on the incline plane (0 = 56.0°) as shown on the left. The mass is 6.17 kg. The coefficient of kinetic friction between the mass and the plane is 0.674 while the coefficient of static friction between the mass and the plane is 0.736. A rope is attached to the mass as shown and has a tension of 75.0 N. What is the magnitude and direction of the static friction force between the mass and the plane?arrow_forward
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