A 75.0 kg painter climbs a ladder that is 2.75 m long and leans against a vertical wall. The ladder makes a 30.0° angle with the wall. (a) How much work does gravity do on the painter? (b) Does the answer to part (a) depend on whether the painter climbs at constant speed or accelerates up the ladder?

Q: A 200 N box is pushed at a constant velocity up an incline that is 5.00 m long and rises 1 m. If the…

A: The Free Body Diagram of the 200 N box is shown below,   The Bos is being pushed at a constant…

Q: 2. A boy pushes on a pig with a force F = 490 i + 230j N, giving the pig a displacement d = 1.77i+…

A: Given-   Force F=490 i+230 j NDisplacement d=1.77i+1.90j m

Q: A helicopter lifts a 100kg crate straight up via cable, with an acceleration of 0.8m/s?. If the…

A: mass of crate = 100 kg acceleration = 0.8 m/s2distance = 5 m

Q: A constant force of magnitude 10 has the same direction as i. Find the work done if its point of…

A: Given: The magnitude of the force is 10 N. The point of application is 0,1 to 1,0. Introduction: The…

Q: A gardener pushes a lawn roller through a distance of 25m. If he applies a force of 20N in a…

A:

Q: A force acting on an object moving along the x axis is given by Fx = (14x - 3.0x3) N where x is in…

A: Given: The force on the object is Fx=14x-3.0x3. The object moves from -1.0 m to +2.0 m.

Q: A 1.0 [kg] box slides 5.0 [m] down a rough inclined plane at an angle 40° with respect to the…

A: Mass(m) = 1 kg slide distance(x)=40o μk=0.20Required work done

Q: In the figure shown, if the mass (m=5 Kg) is moving with constant speed and traveled a distance d=10…

A:

Q: An 80-N crate slides with constant speed a distance of 5.0 m downward along a rough slope that makes…

A: Data provided :  Weight of the crate(mg) = 80 N, downward  Distance along rough slope = 5 m Angle…

Q: 8. MA block of mass m = F 2.50 kg is pushed a dis- tance d = 2.20 m along a %3D frictionless…

A:

Q: An archer pulls her bowstring back 0.400 m by exerting a force that increases linearly from zero to…

A: Given(s): The force linearly increases from 0 to 230 N. Displacement, x=0.400 m Required: Workdone,…

Q: A single force acts on a 3.2 kg particle-like object in such a way that the position of the object…

A:

Q: It takes you 1.5 s to push a 28 kg box by 4.4 m across a horizontal floor with a constant force of…

A: The time taken to push the block, t = 1.5 s The mass of the block, m = 28 kg The displacement of the…

Q: A shopper in a supermarket pushes a trolley with a force of 30N directed at an angle of 25° downward…

A: Given : F = 30 N θ = 25° d = 40 m

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: A 350 kg sofa slides 2.5 m down a 30° incline and who is pushing back on it parallel to the incline…

A: Given:- The mass of the sofa m = 350 kg  The sliding length L = 2.5 m  The angle of the incline is…

Q: A 600.0-g box has an acceleration of 5.0 m/s? when it is pulled by a horizontal force across a…

A: Work done is given by:

Q: A box of canned goods, contents have a total mass of 4.5 kg, is pushed 2 m along the floor by a…

A: The free body diagram of the box is given below.

Q: Michael pulls a cart 30 m along a sidewalk with a tension force of 80 N. The force is directed 25⁰…

A:

Q: Figure shows a girl pulling a wagon with a force of 50 pounds.How much work is done in moving the…

A: Force applied (F) = 50 N Distance moved (d) = 100 feet = 30.48 m Angle between Force and direction…

Q: As a woman carries her suitcase up a flight of stairs, she does work against gravity. If the mass of…

A: mass of suitcase (m) = 10 kg Height of stairs (h) = 12 m g = 9.8 ms2

Q: A box of mass 20.0 [kg] slides down from the top of a surface inclined at 50.0◦ with height of 10.0…

A:

Q: As a young man, Tarzan climbed up a vine to reach his tree house. As he got older, he decided to…

A: To determine: A young man Tarzan climbed up a vine to reach the tree house, what did the king of…

Q: A middle school kid is pushing a lawn mower with 46 N of force at an angle 31 degrees below the…

A: Force = F = 46 N Displacement = S = 350 m The diagram is given below:

Q: A physics professor tries to barricade himself in his office by pushing a 30 kg desk in front of the…

A:

Q: A rare and valuable antique chest is being moved into a truck using a 3.000 m long ramp. The weight…

A:

Q: A can of sardines is made to move along an x axis from x = 0.26 m to x = 1.11 m by a force with a…

A:

Q: In the figure shown, if the mass (m36 Kg) is moving with constant speed and traveled a distance d314…

A: mass (m)= 6 kg distance covered (d) = 14 m speed = constant F = 15 N θ = 53o

Q: A can of sardines is made to move along an x axis from x = 0.20 m to x = 1.24 m by a force with a…

A: Given:- A can of sardines is made to move along an x-axis from x = 0.20 m to x = 1.24 m by a force…

Q: The figure here shows an overhead view of three horizontal forces acting on a cargo canister that…

A: We are given the magnitude of all the three forces acting on the canister, F₁= 2.8N F₂= 3.6N F₃= 10N…

Q: A truck has towed a car to an auto mechanic shop that is 150m away from where it was parked with a…

A: Given data: Displacement (d) = 150 m Force (F) = 2250 N Angle (θ) = 35° Required: Work done (W)

Q: A porter pulls a 23 kg luggage along a level road for 3.5 meters by exerting a force of 18 N at an…

A: Solution: (a) Calculate the work done in pulling the luggage. W=Fdcosθ Here, W is the work done, d…

Q: I attached the problem. Thank you

A:

Q: A typical muscle fiber is 2.0 cm long and has a cross-section area of 3.1 x 10-9 m2. When the muscle…

A: The expression for the work done by the muscle fiber is given by, W=F∆L The value for the change in…

Q: While training for breeding season, a 460 gram male squirrel does 29 pushups in a minute, displacing…

A: Given:- While training for breeding season, a 460 gram male squirrel does 29 pushups in a minute…

Q: .How much work is required to move an object from x=2 to x=4 (measured in merters) in presence of…

A: Given:  F(x) = 4 / x2 from x = 2 m to x = 4 m

Q: A leaky bucket, which weighs 5 N empty and initially has 40 N worth of water in it, is lifted into…

A: Given

Q: How much work does the force F(x) = (−2.0/x) N do on a particle as it moves from x = 2.0 m to x =…

A:

Q: 2 F (N)A 10 Find the work done by the variable force. -x(m) 25 50 125 J 250 J 562.5 J

A: Given:

Q: A uniform force of (3i + j) N acts on a particle of mass 2 kg. Hence, the particle is displaced from…

A:

Q: While training for breeding season, a 380 gram male squirrel does 32 pushups in a minute, displacing…

A: Given: m = 380 g = 0.38 kg  number of push ups, n = 32  height, h = 8.5 cm = 0.085  m

Q: A 1.5 m high person is holding a 20 kg trunk on his head and is standing at a roadways bus-terminal.…

A: Work Done is calculated by the formula :   W = Force x Displacement                    ......(1)

Q: A particie moves 5m in the positive x direction while being acted upon by a constant force F= 4i +…

A: Work is defined as  W=∫F→·dS→ Here F→ is force and S→ is displacement.

Q: A four-horse carriage is accelerating by 6 m/s every three (3) seconds, carrying a total load…

A:

Q: Chapter 07, Problem 015 GO The figure shows three forces applied to a trunk that moves leftward by…

A:

Q: A man pushes a car with a constant force F = (160 N) i - (40N) j and displaces it ∆x = (14 m) i +…

A: Given data: Applied constant force (F) = (160 N) i - (40N) j Displacement (∆x) = (14 m) i + (10m) j…