A man cleaning a frictionless floor pulls a vacuum cleaner with a force F of magnitude 50 N at an angle of 30° with the horizontal.What is the magnitude of the work done by the weight of the vacuum cleaner?A) 510 JB) 50 JOJD) 5.10 J An elevator of mass M is pulled upwards at constant velocity by a cable. What is the tension in the cable (neglecting the mass of thecable)?A zeroB between zero and MgC) less than zeroD) greater than MgE equal to Mg

Answered: Image /qna-images/answer/5cd9ed31-d220-4d8c-8f3f-c372d4627327.jpg

A man cleaning a frictionless floor pulls a vacuum cleaner with a force F of magnitude 50 N at an angle of 30° with the horizontal. What is the magnitude of the work done by the weight of the vacuum cleaner? A) 510 J B 50 J C) OJ D) 5.10 J

A man cleaning a frictionless floor pulls a vacuum cleaner with a force F of magnitude 50 N at an angle of 30° with the horizontal. What is the magnitude of the work done by the weight of the vacuum cleaner? A) 510 J B 50 J C) OJ D) 5.10 J

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter18: Mathematics In Engineering

Section: Chapter Questions

Problem 15P: A jet plane taking off creates a noise with a magnitude of approximately 125 dB. What is the...

See similar textbooks

Related questions

Q: 4 k/im 6m 4. Unsymmetrical Welded Plate Girder 200 10 kN 300 型下 I

Q: There is 10 rain gauge stations in a catchment. The annual rainfalls recorded by the gauges are the…

Q: Given data: Void ratio=0.52 Water content=0.5 Specific gravity=2.7 Find: porosity

A: step 1-

Q: Q2/ As a car accelerates uniformly it passes successive kilometer marks while traveling at…

Q: Draw

Q: A R.C.C. beam of section 300 mm x 500 mm is reinforced with 4 bars of 16 mm diameter with an…

Q: Polar moment of inertia of a circular area

A: To find: Polar moment of Inertia of circular area Answer is option a.

Q: The given section is proposed for RC column in an ordinary building frame. Take f'c=28MPa,…

A: Given Data:fc=28Mpafy=415Mpadia of bar= 25mm

Q: What is the max shear stress in the shaft? Input your answer as a value only in MPa to one decimal…

Q: P7.17. Compute the slope and deflection under the 32-kip load at B and D. Reactions are given. I =…

Q: A cantilever beam has a span of 4m and carries a uniformly distributed load throughout its span.…

Q: A square tied column is to be designed to carry an axial deadload of 5000kN and axial liveload of…

A: Axial load : Axial load is the pressure appearing on an object, parallel and on its axis. A buried…

Q: Solve for the support reactions

Q: a watershed with an area of 2000 k flow measured in a gage at the outl s due to the combined effects…

A: Given that Area A = 2000 km2 Annual Precipitation P = 120 cm = 1.2 m Avg rate of flow at outlet…

Q: 2. Find the centroid of the figure shown. y 20 in 18 in 10 in 12 in X

Q: A certain roadway designed to have a speed limit of 50mph. If the superelevation is 12 and the…

Q: s = 20 ft Determine the two possible angles so that the water strikes at B. VA = 40 ft/s A 0 4 ft B…

Q: 5. Se 6. The discontinuity that separated sial and sima is 7. Symmetry is **** .... 8. The wave that…

A: "Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: cantilever beam carries an axial load of 36kN applied at an eccentricity "e" from the center of the…

A: Given Data: fc'=27.6MpaB=250mmd=500mmL=4mLoad= 36kN

Q: An assembly consisting of an outer steel tube and inner brass rod is compressed with a load P = 125…

Q: P12.1. Draw the influence lines for the reaction at A and for the shear and moment at points B and…

Q: An assembly consisting of an outer steel tube and inner brass rod is compressed with a load P = 125…

Q: Determine void ratio Porosity=0.142

A: Given data : The value of porosity=n n=0.142 Required : Void ratio

Q: closed traverse is as follows:

A: Given: Station X (Easting) Y (Northing) 1 0 0 2 53 56 3 108 115 4 165 177 5 224 242 6…

Q: Determine the maximum steel area for a tension controlled singly reinforced condition in positive…

A: The values given in the question are as follows: Width of beam(b)=250 mm Depth of beam(D)=500 mm…

Q: Obtain equation y-a.e^(bx) for the following traffic data

Q: For a three-hinged parabolic arch, what will be the ratio L/R to satisfy H=W? W T R HI * L H

A: Given:- A three-hinged parabolic arch is given The length of the arch = L The magnitude of the…

Q: Q-1 The fixed-end beam is subjected to a concentrated moment "M" at midspan as shown in Fig.1. Use…

Q: A block is pushed against a horizontal spring, compressing it to 22 cm. After being released, the…

Q: Asap thank you. a. Ordinate of the influence line of RC at point D b. Ordinate of the influence line…

Q: Find the value dry unit weight Bulk unit weight=19.07 KN/m3 Water content of soil-0.03

A: Given data : The value of water content of soil w=0.03 The value of bulk unit weight γ=19.07 KN/m3…

Q: 6. Discussion: 1. Is there a difference between the values of the nozzle velocity (vn) and the jet…

A: Note- Hi! Thank you for the question As per the honor code, We’ll answer the first question since…

Q: Subject: Soil Mechanics Please provide a solution and diagram Boreholes reveal that a thin layer…

A: The given data is shown below: Depth=50 ftDry unit weight=96 lb/ft3Average water content=30%Cu=1008…

Q: Referring to figure below, a site has been identified for the construction of a basement parking.…

A: given that grid lines of distant 20m x 25m Fixed at height =20.00m

Q: Fill in the blanks d: Determine the distance, d. VA = 40 m/s 30° A 5 d 1 - 1 attachment - B

A: Given Data:VA=40m/sθ=30°slope= 5:1

Q: A rigid steel bar is suspended horizontally by 1m steel rod at one end and 2m bronze rod at the…

Q: 5-105. The turbine removes potential energy from the water in the reservoir such that it has a…

A: Appreciate if there is detailed work with explanation and finds you helpful for ease of…

Q: consistency of soil.

A: To Define: Consistency of soil

Q: What would be the equilibrium cant on a B.G curved track of 8° if the speeds of several trains…

Q: - 1 attachment - A block is pushed against a horizontal spring, compressing it to 22 cm. After being…

Q: support A L.

A: Given: Simply supported beam with loading To find: reaction at support A (Ra)

Q: A tensile test specimen having a diameter of 10 mm and a gage length of 50 mm was tested to…

A: Given that Diameter of 10 mm A gauge length of 50 mm

Q: #7 Given. A lap traverse ABE DE with a course DE of Bearing $ 11°42′15″E; fillowing angles : A =…

A: Sum of angles of a five sided polygon =540° Sum of angles= 540°0'25'' Angular error = 25" Adjusted…

Q: Problem 6: Determine the maximum torque that can be applied to a hollow circular steel shaft of…

A: Outside diameter of shaft, Do=100mmInside diameter of shaft, Di=80mmMaximum shear stress,…

Q: Which of the following example that has no work done? a worker at a construction site is lifting a…

A: 1) answer (B) a boy is supporting a chandelier to prevent it from falling 2) Answer (C) Time

Q: 4. A vertical circular gate is submerged in a liquid so that its top edge is flushed with the liquid…

Q: A trapezoidal channel with a bottom width of 3.0 m and sides with a slope of 2:1 (horizontal:…

Q: Q-1: Use double integration method to find the deflection at the pin C and the slope at roller…

Q: The motion of a particle is defined by the relation x = 5t4 - 4t³ + 3t - 2, where x and t are…

Q: 4. Which is nearest to the sun Earth or Pluto? 5. Is rock cycle in the nature opened or closed? 6.…

A: "Since you have asked multiple question, we will solve the first question for you. If you want any…

Question

A man cleaning a frictionless floor pulls a vacuum cleaner with a force F of magnitude 50 N at an angle of 30° with the horizontal.
What is the magnitude of the work done by the weight of the vacuum cleaner?
A) 510 J
B) 50 J
OJ
D) 5.10 J

An elevator of mass M is pulled upwards at constant velocity by a cable. What is the tension in the cable (neglecting the mass of the
cable)?
A zero
B between zero and Mg
C) less than zero
D) greater than Mg
E equal to Mg

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

A jet plane taking off creates a noise with a magnitude of approximately 125 dB. What is the magnitude of the pressure disturbance (in Pa)?
SAE 30 oil is contained in a cylinder with inside diameter of 1 in. and length of 1 ft. What is the pressure required to decrease the volume of the oil by 2%?
When a 644lb boat is moving at 10ft per sec, the motor conks out. how much farther will the boat glide, assuming its resistance to motion is 2 v lb where v is feet per seconds
Q7. If the surface tension at air - water interface is 0.069 N / m, what is the pressure difference between inside and outside of an air bubble of diameter 0.009 mm?
A concrete dam given in the figure has water 35 m deep acting on its vertical sides. The coefficient of friction between the soil and the dam is 0.60. Yconcrete 23.5. How far in meters is the vertical resultant force from the toe? a-28m b-25m
A 5 cm diameter horizontal jet of water with a velocity of 30 m/s strikes a flat plate that is moving in the same direction as the jet at a velocity of 10m/s. The water splatters in all directions in the plane of the plate. How much force does the water stream exert on the plate? What is the work done per second and the efficiency?
A block of mass m = 1 kg is released from the top of an inclined plane with a height h = 80 cm and a slope of 37 °. The kinetic friction coefficient between the block and the inclined plane is u = 0.3. Find the value (in J) of the work done by the friction force until the block reaches the bottom of the incline.
When a 644-lb boat is moving at 10 ft per sec, the motor conks out. How much farther will the boat glide, assuming its resistance to motion is 2 v lb where v is in feet per second?
A 3 ft diameter log with specific gravity of 0.82 divides two shallow ponds as shown in the figure. If log is 12 ft long, what is the angle of its resultant reaction force? Use unit weight of water = 62.4 lb/ft³
A 100-lb force is pulling a 200-lb block as shown. The coefficient of static friction between the block and the floor is μs = 0.6 and the coefficient of kinetic friction is μk = 0.4. a. What is the friction force between the block and the floor? b. Will the block move?
An open vessel 4.0m wide, 5.0m long and 3.5m deep contains 3m of water. It is then accelerated to the right along its width. a. Calculate the acceleration just about water to spill. b. At this rate, what is the force (in N) causing the acceleration if the mass of the vessel if the mass of the vessel is 600kg? c. Consider the same vessel accelerated at 7.00 m/s2. Determine the volume (in m3) of water spilled at that acceleration.
If F1=100 lb and F2=200 lb, determine the magnitude and coordinate direction angles of the resultantcouple moment.