74. Find the amount of work done if an object is pushed horizontally 70 m by a force of 25 N directed 60° above the horizontal.

Q: Determine the work done by the constant force.

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Q: It takes 5 J of work to stretch a particular spring 14 cm beyond its natural length. What is the…

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Q: If 27 J of work are needed to stretch a spring from 13 cm to 19 cm and 45 J are needed to stretch it…

A: Given: Work done to stretch spring from 13cm to 19cm = 27J Work doen to stretch spring from 19cm to…

Q: ).Derive the expression for torsion formula of a circular bar?

A: Torsion formula, the geometrical property of a bar's cross section which is involved in the axis of…

Q: 4. A force of 1200 lb compresses a spring from its natural length of 18 in. to a length of 16 in.…

A: We have to find work done to compress the spring from its natural length (L=18).

Q: In 2019, SCUBA divers from Mexico explores the Atlantic Ocean (64 lb/ft³) and finds a circular clock…

A: Given,specific weight of atlantic ocean water(w)=64 lb/ft3Diameter of the clock(D)=1.3 ftDepth of…

Q: 4. A car is on a driveway that is inclined 20° to the horizontal. If the car weighs 3225 lb, find…

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Q: Derive the expression for torsion formula of a circular bar?

A: Torsion of a circular bar ⇒ A member or shaft is said to be under pure torsion when it is subjected…

Q: A package is pushed across a floor a distance of 140 feet by exerting a force of 25 pounds downward…

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Q: 19. A 10-ft chain weighs 25 lb and hangs from a ceiling. Find the work done in lifting the lower end…

A: The following figure shows the chain is hanging from a ceiling,

Q: Compute (47 SK) - dA, where s is the square of side length 3 perpendicular to the e-axis, centered…

A: According to question given that∫S(4i→+5k→).dA→Where S is the square of  the side length  3…

Q: A car is on a driveway that is inclined 25degree to the hori-zontal. If the car weighs 2755 lb, find…

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Q: What is the work done (in J) lifting a 20 kg child from the floor to a height of 2 m? (Note that due…

A: Given query is to find the work done inthe indicated case.

Q: I need to create 10 equal interval widths with this information: Given that the lowest force…

A: The following can be assumed, Class interval length=RangeNumber of proposed classeswhere,…

Q: If the WORK required to stretch a spring 1 ft beyond its natural length is in ft-lb is needed to…

A: Introduction: The formula of work done from point a to b is given by, W=∫abkxdx Where is constant.

Q: A spring has a natural length of 20 cm. If a 28-N force is required to keep it stretched to a length…

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Q: What is the magnitude of force that a +25 µC charge exerts on a +2.5 mC charge 16 cm away?

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Q: 3. Two like parallel forces 38 N and 86 N are acting at a distance of 12 cm. What is the position of…

A: Consider the point at which resultant of the forces will act, is 'x' m from the point P. Thus the…

Q: An orange crate is dragged through 22 m along level ground by a 90 N force applied at a angle of 40°…

A: .

Q: A force of 30 N is required to maintain a spring stretchedfrom its natural length of 12 cm to a…

A: A force of 30 N is required to maintain a spring stretched from its natural length of 12 cm to a…

Q: A snail slid 7 cm down a stalk and climbed 5 cm back up. Hlow far was the snail below its original…

A: Given : A snail moves 7 cm down then moves 5 cm up.

Q: · A vertical gate, composed of a squa- re and a triangle, is submerged so that its upper edge…

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Q: A box with a length of 10 m and a width of 5 m, has to be pushed in with a force of 200N, what is…

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Q: Suppose you apply a force of 80 N to a 0.25-meter-long wrench attached to a bolt in a direction…

A: This question is related to vector,  directions, magnitude and torque calculations. We will solve it…

Q: A 20-lb force is applied to the control rod AB as shown. Knowing that the length of the rod is 9 in.…

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Q: 4. A car weighing 1.20 x 104 N sits on a hydraulic piston with a diameter of 0.82 m. Compressed air…

A: Use Pascal's law of Hydraulic lift to solve the question as per which Force/Area on every point of…

Q: 8) A spring has a natural length of 20 cm. If a 25-N force is required to keep it stretched to a…

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Q: How much work is required to pump all the water from a right circular cylindrical tank, that is 8…

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Q: A spring has a natural length of 20 cm. If a 25-N force isrequired to keep it stretched to a length…

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Q: d par rostatic force on one end of the trough.

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Q: A 400-lb cable is 250 feet long and hangs vertically from the top of a building. How much work is…

A: Data given

Q: 3. A spring has a natural length of 20 cm. A 40 N force is required to stretch (and hold the spring)…

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Q: 4. A vertical right circular cylindrical tank measures 24 ft high and is 8 ft in diameter. It is…

A: Given:The height of the right circular cylindrical tank is 24 ft and diameter is 8 ft. It is full of…

Q: A force of 20 N will stretch a rubber band 10 cm (0.10 m). Assuming that Hooke's law applies, how…

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Q: A wire ACB passes through a ring at C, which is attached to a sphere rotating at constant speed v in…

A: Given data   and  v=8 ft/s Apply equilibrium equation ,

Q: A package is pushed across a floor a distance of 190 feet by exerting a force of 24 pounds downward…

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Q: 4. A steel girder 27 ft long is to be moved on rollers along a passageway 8 ft in width and into a…

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Q: 3

A: In this question we have to find work done by worker.

Q: (b) Compute the work required to launch a 1000-kg satellite vertically to a height of 1000 km. You…

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Q: 2. How much work is done when a hoist lifts a 200-kg rock to a height of 3 m?

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Q: 8. If it takes a force of 90 N to stretch a spring 1 meter beyond its natural length, how much work…

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

Q: 12. Find the torque on a bolt when a force of 290 N is applied on a wrench 33 cm from the bolt, at…

A: Given, Force = 290 N wrench = 33cm = 0.33 m θ=77° In this question we have to find the torque on a…

Q: A goat is tethered to a barn by a 12-ft chain. If the chain is connected to the barn at a point 6 ft…

A: Given: A goat is tethered to a barn by a 12-ft chain. Also the chain is connected to the barn at a…

Q: A force of 2 N will stretch a rubber

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Q: A lawn mower is pushed a distance of 100 ft. along a horizontal path by a constant force of 60 lbs.…

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Q: (#4) A force of 250 pounds stretches a spring 30 centimeters. How much work is done in stretching…

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Q: Suppose you apply a force of 20N to a 0.25​-meter-long wrench attached to a bolt in a direction…

A:

Q: A spring has a natural length of 20 cm. If a 25-dyne force is required to keep it stretched to a…

A: We are only allowed to solve one question at a time so we will answer only the first question.…

Q: 3. A railroad rail is 1 kilometer long and it expands on a hot day 10 centimeters in length.…

A: Consider the following figure For a small angle x in radians tanx≈sinx≃x Use this to create an…

Q: 9. Find the work done by lifting a 20 ft rope that weighs 3 lbs per foot to the top of a cliff if…

A: