BCR: Points: SHOW ALL WORK AND FORMULAS TO GET MAXIMUM POINTS1. A construction crew lifts approximately 400 Ib. of material several times during a day from aflatbed truck to a 25 ft. rooftop. A block and tackle system with 75 lb. of effort force isdesigned to lift the materials. a). What is the displacement(distance).by the effort force?b). What is the Ideal Mechanical Advantage of the system?2. A/e nut driver with a 1% inch diameter handle is used to install a % 24 UNC 2B machinescrew into a robotic motor. What is the mechanical advantage gained in the system?3. A gardener uses a wheelbarrow to carry a bag of mulch (decaying leaves, bark and compost)that weighs 150 lbs. and requires 60 Ibs. of effort. The distance from the wheel's axle to theeffort is 8 feet.a). What is the Actual Mechanical Advantage of the Wheelbarrow?b). What is the distance from the Wheel's axle to the Load?

Disclaimer: Since you have posted multiple questions we will solve the first question for you. If…

A construction crew lifts approximately 400 Ib. of material several times during a day from a flatbed truck to a 25 ft. rooftop. A block and tackle system with 75 Ib. of effort force is designed to lift the materials. a). What is the displacement(distance).by the effort force? b). What is the Ideal Mechanical Advantage of the system?

A construction crew lifts approximately 400 Ib. of material several times during a day from a flatbed truck to a 25 ft. rooftop. A block and tackle system with 75 Ib. of effort force is designed to lift the materials. a). What is the displacement(distance).by the effort force? b). What is the Ideal Mechanical Advantage of the system?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

1-An example of a physical property is A) the reaction of rubidium with water to form rubidium hydroxide B) the density of boron C) the burning of sulfur to form sulfur dioxide D) the reaction of cesium with oxygen to form cesium superoxide E) the energy content of liquid sodium 2-If you have 600 kJ of heat to spend, and you use it to melt lead, how many % ounce wheel weights (at 200C) can you melt? Note that Lead is NOT measured in troy ounces, but proper ones (16 ounces in a pound), the specific heat of lead is 0.13 J/goC and its melting point is 327.5oC. 3-The written value of 1.0 um means a. 102 m b. 10-2 m c. 106 m d. 10-6 m e. 10-9 m 4-The written value of 1.0 um means a. 102 m b. 10-2 m c. 106 m d. 10-6 m e. 10-9 m 5- Which element has 71 neutrons? a) 222Rn b) 146 Nd c) 159Sm d) 140Ce e) 121Sn 3.9 6- Which of the following is NOT found in the nucleus? a) in b) He c) }H d) -je d) je 7- There are two common ions for gold: Au(1) and Au(III). Which of these would be the Auric ion?…
b) The volume of a 45° container is 86.65 m3. The internal measures are: 44'5" ft Length: Width: 8'5" ft What is the height of the container? c) You received 180*20ft containers and the standard ratio of 40ft containers. How much TEU did you receive? d) How much we can load in a container, when the container has a content of 32 m 3(32000 litre) and the product sugar has a S.G of 1.2?
Q1: Fundamentals Problem: a) A Deep-sea diver reached 5 m below the free surface of a river. Calculate the change in pressure applied on him when he reached 45 m below the river's surface. b) A cooling machine releases 450 J/°C. How much it looses in kJ per °F c) What is the height of a bird above the earth if the barometer reading was 96.0 on the earth and 98.0 kPa where the bird is. Assume pair=1.0 g/L
An unknown object is suspended from a thin string and fully submerged in a container of water. Water surrounds the entire object as it hangs from the string, and the object is not touching the bottom of the water filled container. The object remains at rest at all times. The density of water is 1000 kg/m3. a) Draw a FBD using the unknown object as your system. Be sure to label the forces. b) The unknown object has an unknown mass M. The tension in the string is measured to be (3/5)M g. Calculate the density of the unknown object.
Q1: A rod made of carbon reinforced epoxy has a diameter 3 cm, length 1.5 m, and mass 1.75 kg. The carbon fibers have a modulus of elasticity 340 GPA and a density 1.91 g/cm'. The epoxy matrix has a modulus of elasticity 4 GPA and a density 1.16 g/cm'. Assume there are no voids in the rod. a) What is the volume fraction of the carbon fibers and the epoxy matrix in the rod? b) What is the predicted value for the modulus of elasticity in the longitudinal direction and direction perpendicular to the carbon fibers?
Q1: a) An airplane has a lift off speed of 120km/h. If the plane needs a 240m of runway to take off, what acceleration is needed? How long in seconds is needed for the take off? b) If the lift off speed of this plane was 170km/h (assuming the same acceleration), can this plane land on the same runway?
A wheel barrow is used to lift a 200 lb load. The length from the center of the wheel to the center of the load is 2 ft. The length from the wheel to the effort is 5 ft. a) Illustrate and annotate the lever system described above. b) What is the ideal mechanical advantage of the system? Formula Substitute / Solve Final Answer c) Using static equilibrium calculations, calculate the ideal effort force needed to overcome the resistance force in the system. Formula Substitute / Solve Final Answer
a)Consider the rope attached to the top of the scale. The internal force within the rope at 2.37 in above the scale has a magnitude of _____ lb. b)Consider the rope attached to the top of the scale. This rope also attaches to the ceiling. The reaction force at this ceiling/rope interface has a magnitude of _____ lb. c)Consider the rope attached to the former student. The internal force within the rope at 16.25 in above the student has a magnitude of _____ lb.
A first class lever in static equilibrium has a 65 Ib resistance force and 30 Ib effort force. The lever's effort force is located 5 ft from the fulcrum. a) Sketch and annotate the lever system described above. b) What is the actual mechanical advantage of the system? Formula Substitute / Solve Final Answer c) Using static equilibrium calculations, calculate the length from the fulcrum to the resistance force. Formula Substitute / Solve Final Answer
A suspended date that's able to pivot from the top seperates two liquids. There is a stopper that prevents the gate opening anti-clockwise. The gate has a height of 0.5m. The liquid on the right is twice as dense as the liquid on the left. The liquid on the left has a depth of 0.3m. 1) What is the minimum depth of liquid on the right for the gate to open. 2) Comment on the ability to solve this question if the liquid on the left was 1m (filled to the top)
*Problem 4: A spring is fixed at the top and extends down a frictionless incline of 20°. When a 5 kg block is attached to the free end of the spring, it stretches along the ramp by 15 cm before coming to rest. a) Draw a picture before-and-after picture of the situation b) Draw a FBD for the block c) Write out Newton's Second Law for the block. d) Find the equation for the spring constant. e) Plug in values to calculate the spring constant. (4:112 ) m.
A lever is used to lift a heavy load. When a 25 N force pushes one end of the lever down 1.8 m, the load rises 0.3 m. a) Determine the Mechanical advantage of the lever. b) Calculate the weight of the load.