(a) The roof of a large arena, with a weight of 380 kN, is lifted by 19 cm so that it can be centered. How much work is done on the roof by the forces making the lift? (b) In 1960 a Tampa, Florida, mother reportedly raised one end of a car that had fallen onto her son when a jack failed. If her panic lift effectively raised 4000 N (about 1/4 of the car's weight) by 5 cm, how much work did her force do on the car? (a) Number i (b) Number i Units Units

Q: In the figure, the rock weighs 130 lb and is lifted 1 ft by the lever. F Fulcrum 3F 3d (a) How much…

A: Given data: a)Force F=130lb    Distance d=1 ft b) Distance d=3 ft

Q: (a) The roof of a large arena, with a weight of 250 kN, is lifted by 11 cm so that it can be…

A: Weight of the roof (F) = 250 kN.Lifted distance (d) = 11 cm. = 0.11 m.

Q: A man pushes a lawn mower with a horizontal force of 138 N. If he pushes the lawn mower 5.2 m in 15…

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Q: You and your bicycle have combined mass of 80 kg. When you reach the base of the bridge, you are…

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Q: A ball (mass= 0.5kg) is dropped from a 100m high building. (a) How much work is done on the ball by…

A: Given quantities, mass, m= 0.5kg Height of the building =100m Acceleration due to gravity, g=9.8…

Q: Ariane, a 56 kg skier, uses her poles to accelerate from rest to a speed of 6.01 m/s in 41.7…

A: a) Write the work-energy equation and substitute the corresponding values to calculate the work done…

Q: A 10.0m B nok D A force is applied to several boxes. Rank the five situations shown in the figure…

A: This problem can be solved using the formula  W=F→.S→=F→S→ cos θW=work doneF=force…

Q: The roof of a large arena, with a weight of 480 kN, is lifted by 34 cm so that it can be centered.…

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Q: A man pushes a lawn mower on a level lawn with a force of 270 N. If 40% of this force is directed…

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Q: How much work is done against gravity in lifting a 9 kg object through a vertical distance of 55 cm?…

A: Expression for force applied to lift the object -  F=mg Where m=Mass=9 kg  g=Acceleration due to…

Q: A grocery cart is pulled along a rough horizontal surface by a horizontal force of 6 N. It moves…

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Q: In 1990, Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…

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Q: A force of 14 lb is required to hold a spring stretched 4 in. beyond its natural length. How much…

A: force = 14 lb stretch (d) = 4 in

Q: Nellie Newton does work on a box by pushing it with a constant force of 100 N over a distance of 4…

A: Assume that Nellie Newton does a work by pushing a box with a constant force F = 100 N over a…

Q: If A 29-kg child starts from rest and slides down a slide that is 2.6 m high. At the bottom of the…

A: Given parameters :  Mass "m"= 29kg  Height "h"= 2.6m  Final Velocity "v"= 2.5m/s .   Concept :…

Q: Say I lift a box from the ground straight up to 1m in 2s. If I lift the same box from the ground but…

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Q: A box is lifted vertically 1.5 m and is then held there. The box has a weight of 100 N. Ignore…

A: Work done on a body is given by,  Work = force × displacement W = (Mg) × ( h) = Potential energy at…

Q: a traveler had to carry a suitcase. an lifted the suitcase to height h, , and then set it back down.…

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Q: A chain 63 meters long whose mass is 21 kilograms is hanging over the edge of a tall building and…

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Q: A 10 ft. pole weighs 30 Ibs. (of force, to be clear). It lies flat on the ground. You lift one end…

A: Given,

Q: A child exerts a horizontal 15 N force on a 10 kg box to push it 7 m across a floor that has a…

A:

Q: A man uses a rope and a system of pulleys to raise a 200-lb box to a height of 10 ft. He exerts a…

A: Solution: Given: F1 = weight of box = 200 lb s1 = height through which box is lifted = 10 ft F2 =…

Q: A mountain climber is about to haul up a 90-m length of hanging rope. How much work will it take if…

A: Given: The length of the hanging rope is 90 m. The weight of the rope is 0.65 N/m.

Q: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…

A:

Q: A chain 72 meters long whose mass is 27 kilograms is hanging over the edge of a tall building and…

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Q: A chain 63 meters long whose mass is 28 kilograms is hanging over te edge of a tall building and…

A:

Q: Tigure, weighs lever. F Fulcrum 3F 3d (a) How much work is done? ft-lb (b) The other end of the…

A: Given data: Mass of the rock m =200 lb Displacement d= 1ft

Q: (a) In 1975 the roof of Montreal’s Velodrome, with a weight of 360 kN, was lifted by 10 cm so that…

A: Part a) Given: Weight of the roof (F) = 360 kN. Lifted distance (d) = 10 cm. = 0.1 m.

Q: While doing a chin-up, a man lifts his body 0.40 m.  (a) How much work must the man do per kilogram…

A: let the mass of the body be M kg. Height of the lift,h=0.40 m Acceleration,a=9.8 m/s2 (a) How much…

Q: In the figure, the rock weighs 115 lb and is lifted 1 ft by the lever. F Fulcrum 3F 3d (a) How much…

A: The work done is calculated by using the formula W=Fd , where F is the force applied and d is the…

Q: While doing a chin-up, a man lifts his body 0.40 m. (a) How much work must the man do per kilogram…

A: We are aware that when performing a chin-up, a guy raises his body 0.40 m.We need to determine how…

Q: 0.0. An object of mass 12kg, initially at rest, is lifted from the ground to a final height of 10m…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: You and your bicycle have combined mass of 80 kg. When you reach the base of the bridge, you are…

A: