Assume pulleys are massless and frictionless, and that ropes are massless. F3 FT2 FTI FT4 F a. What minimum force F is needed to lift the piano at a constant velocity with mass M using pulley apparatus shown in the figure? b1. Determine the tension in each section of rope: FT1 b2. Determine the tension in each section of rope: FT2 b3. Determine the tension in each section of rope: FT3 b4. Determine the tension in each section of rope: FT4 3Mg/2 Mg/3 Mg/2

Assume pulleys are massless and frictionless, and that ropes are massless. F3 FT2 FTI FT4 F a. What minimum force F is needed to lift the piano at a constant velocity with mass M using pulley apparatus shown in the figure? b1. Determine the tension in each section of rope: FT1 b2. Determine the tension in each section of rope: FT2 b3. Determine the tension in each section of rope: FT3 b4. Determine the tension in each section of rope: FT4 3Mg/2 Mg/3 Mg/2

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 65P: Consider the baby being weighed in the following figure. (a) What is the mass of the infant and...

See similar textbooks

Similar questions

Answer number 1 and the picture below 1. When a heavy football player and a light one run into each other, who exerts more force in reference to the Third Law of Motion? A.There is no such thing as force B.The heavy one C.They are equal D.The light one
A 300N wagon is pulled up a 30° incline at constant speed. a. How large a force parallel to the incline is needed if friction effects total of 10N? b. What will be the force exerted by the incline to support the wagon? c. What is the coefficient of friction?
draw the fbd
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.
VI. Does kinetic friction depend on the normal force? 21. Make a prediction. If normal force increases, does the kinetic friction increase, decrease, or stay the same? Give a reason r your prediction. 22. Use the Larger Area. Place the larger area of the block on the track. Record the hanging mass in the data table. Add a 500g rectangular block on top of the wood block. Change the hanging mass to 500g 23. Run the Experiment. Hang the 500g mass over the pulley. Repeat the experiment as before. 24. Change the Normal Force. Add a second 500g rectangular block on top of the block. Record the total mass in the data table. Perform the experiment again. 25. Change the Normal Force Again. Repeat the experiment by adding another 500g rectangular block on top of the block. Record the total mass. If the block does not move at all or stops after moving a short distance, add more mass to the hanging mass. Normal Force Dependence Total Block Hanging Mass Normal Force n = Mg (N) Mass Acceleration…
A small block is resting on a rough incline. There is a rope attached to the block that is pulling on it up the incline. Analyze the free body diagram provided and identify the forces. Be as specific as you can. Each correctly identified force is worth marks. 12 y, C. 'D 1. Gravitational Force 2. Spring Force B. 3. Теnsion 4. Normal Force 5. Static Friction 6. Kinctic Friction 7. Drag 8. Thrust B.
4. A 10 kg block on a level surface is pushed by a 50 N force directed 30 degrees below the horizontal (like this: ). The coefficient of static friction between the block and the surface is 0.60 and the coefficient of kinetic friction is 0.40. a. Does the block slide or stay put? Justify your answer with a calculation. b. If it slides, calculate its acceleration. If it stays put, calculate the friction force acting on the block. Show your work.
A 0.300-kg mass hangs at the end of a rope. A second rope hangs from the bottom of that mass and supports a 0.900-kg mass. Questions: a. Find the tension in each rope when the masses are accelerating upward at 0.7 m/s². Take note of gravity also. b. Find the tension in each string when the acceleration is 0.700 m/s² going down.
4. Consider an inclined plane with two balls suspended as shown below. The pulley has negligible mass and both the pulley and the surface of the incline are frictionless. The balls remain motionless. a.Draw and label a free body diagram (FBD) for each ball. (Don't forget to label the acceleration info. Also, don't break any A MA C forces into components for the FBDS–save that work for the next question. Finally, be sure to use the gridlines to help you draw arrows that show the correct directions and relative magnitudes of the forces.) mB Ball A: Ball B: b. If , or =.) Use the FBDS above, and Newton's 2nd Law, to calculate an expression for the mass of ball A if it's going to keep ball B suspended motionless next to the ramp. (Use the back of this page if you need more room to show your work.) с. m4 = d. Which ball has more mass? (Circle one, and justify your answer using math or physics.) A В
Suppose in the diagram above, the person was pushing down at a 30° angle with 200 N offorce. The desk still does not move.a. Draw a free-body diagram for the desk.b. Write the equation that describes the forces that act in the x-direction.c. Write the equation that describes the forces that act in the y-direction.d. Determine the value of the frictional force. Do the same for the normal force Please & Thank you!
1. Write Newton’s 2nd law along the ? and ? directions for both blocks considering their state of motion (accelerations). 2. What are the magnitude and direction of the frictional force on the upper box? 3. What is the magnitude of the applied force?
A block resting on a plane inclined at an angle 36o from the horizontal is being held in place by steel cables a, b, and c as shown in the figure below. The tension in cable b is 75.0 N. Note that cable a is parallel to the surface of the incline and that cable b is perfectly horizontal. a. determine the normal force N and the force due to gravity ??.b. What is the mass of the block in kilograms?