A block is initially moving to the right on a level, frictionless surface. A hand exerts aconstant horizontal force on the block that causes the block to slow down (stage 1), turnaround, then move in the opposite direction while speeding up (stage 2).1. Complete the table below. Draw arrows to indicate relevant directions, and take thepositive x-direction to the right.DisplacementForce by handWork doneDirectionSignDirectionSignSignStage 1Stage 2

Answered: A block is initially moving to the…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Before studying this unit, take the test to recall what you have discUssed in physics about resultants. Directions. Solve the following problems using any applicable method of vector addition as discussed in your subject Physics for Engineers. 1. Three forces are exerted on an object placed on a tilted floor. The three forces are directed as shown in Figure E2.1. If the forces have magnitudes F1 = 1.0 N, F2 8.0 N and F3 = 7.0 N, what is the component of the net force Fnet = F1+ F2+ F3 parallel to the floor? %3D %3D 2. As shown in Figure E2.2, three force vectors act on an object. The magnitudes of the forces as shown in the figure are F1 = 80.0 N, F2 = 60.0 N, and F3 = 40.0 N. Determine the resultant force acting on the object. %3D %3D F, Objeet 高。 30° 30° F, Figure E2.1 Figure E2.2
Problem 1: An object is acted upon by 3 Forces (see Fig 1). If a 4th force is to be added, what must be its magnitude and direction so that the object will be in equilibrium? ION 10° 30° 15N 12.5N Fig 1. Free Body Diagram (FBD) for problem 1 250 Tム-
If block A is intended to move vertically at a constant rate of 5.1m/s by pulling cord at point B, determine the speed (m/s) of pulley C. Round off only on the final answer expressed in 3 decimal places. Instead of units, indicate the direction of movement of pulley C: Use U if upward and D if downward. pulleys 4.png B A
Three cables are used to hold a hot-air balloon in place. The tension in the cable AD is 658 N. Draw the Free Body Diagram at A. Upload this along with your all your workings for this problem to the dropbox. What is the tension in the cable AB? Enter using 3 significant figures. What is the tension in the cable AC? Enter using 3 significant figures. What is the vertical force V exerted by the balloon at point A? Enter using 4 significant figures.
An exporter arrived with his goods at the Panama Canal; he was informed by the official manning the canal that the vessel carrying his goods would be towed along the canal. The rope that is used to tow the barge is inclined at 20⁰at the direction of the canal. The tension in the rope is 200N. i.Sketch the set-up narrated above. ii.Show the steps that are taken to determine the values of the rectangular components of the tension, one component being in the direction of the canal
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For this question, an 85,000kg missile on the moon fires its engines while tilted at 34 degrees from the vertical. The engine exerts a force of 1.25MN (mega-Newtons, 10^6) on the missile. a. Calculate the vector for the net force acting on the missile. Use the axes given in the image. b. Determine the magnitude of the acceleration felt by the missile. answer to b. is supposed to be 13.3m/s^2
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In the diagram below, m1 is moving down the frictionless ramp. The pulley is massless and frictionless. Solve the following: A. FBD B. Tension of rope. C. Acceleration of m1.
All the ffollowing require vector diagrams: 1. Two horses are used to pull a carriage. They act at 30⁰ to each other. One horse pulls with a 550 N force and the resultant force is 1000 N. With what force is the second horse pulling the carriage? 2. A 1000 N crate rests on a 20⁰ incline. Resolve the force of the crate into components that are parallel and perpendicular to the incline. State the magnitudes of the components. 3. A swimmer is swimming at 1 knot (nautical miles per hour) on a heading of N30⁰W. The current is flowing at 2 knots towards a bearing of N10⁰E. Find the velocity of the swimmer, relative to the shore. 4. A ski chairlift is suspended between two towers that are 60 m apart. When the chairlift is 20 m from one tower, the cable sags 1 m. The chairlift is loaded with four skiers with a combined weight of 250 N (including the mass of the chair). What are the tensions in the two parts of the cable?
1. Make a sketch of a friction block sliding down the inclined track. Draw and label vectors to indicate the direction of the velocity and the direction of the acceleration. Also assign a symbol to the mass of the block and label it on the drawing. 2. Draw a free-body diagram of the forces on the block as it slides down the ramp. Draw the acceleration vector for the block near the free-body diagram. Choose a coordinate system, and draw the force vectors on your coordinate system (a force diagram). What angles between your force vectors and your coordinate axes are the same as the angle between the ramp and the table? Determine all of the angles between the force vectors and the coordinate axes. 3. Write down Newton's 2nd law in both the x and y directions. For any forces that are at an angle to your coordinate system, be sure to consider the components along the x and y axes. Your answer will depend on how you define your coordinate system. 4. Using the equations in step 3,…
Name ver ve Problem 2 Section A 50.0-kg block is being pushed down a 16.0° slope by a force Ê of magnitude 250 ove directed at an angle of 25.0° from the horizontal as shown on the figure. The block moves down the incline plane. The coefficient of kinetic friction between the block and the Blope to 0.200. a) brock. babel each force clearly. Also show your x- and y-axes clearly. | Draw the free body diagram of the block showing all the forces acting on the |25.00 ) 16.0° b) [6 mri Calculate the magnitude of the normal force. hand the the top of Calculate the magnitude of the acceleration of the block. 20.0 peed B0 flling with pointa]

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