What is the work done against gravity in lifting a 65-kg object through a distance 12 m? Show your complete solution
Q: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…
A: Mass of the object m = 281.5 kg distance lifted d = 17.1 cm = 0.171 m
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: A 3kg book is held 2m above the floor for 40 seconds. The work done is ___?
A: GIven data: The mass of the book is m=3 kg The height is h=2 m The time is t=40 s
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: The figure below shows a person lifting a box with a mass of 18.9 kg a height of 1.4 m and moving it…
A: First, the person lifts the box up to a height of 1.4 mAnd then moves the box to a distance of 5 m…
Q: A 50N horizontal force is used to pull a box along a surface. How much work does it do in pulling…
A: Given: The force is 50 N. The distance is 20 m.
Q: Dr. Frankenstein is pushing a loaded Aldi’s cart through a grave- yard collecting parts for his…
A: F=300 Nx=5 mm=85 kgv=0.8 m/s
Q: A child pushes a toy cart from rest on a smooth horizontal surface with a force F = 5 N, directed at…
A:
Q: A girl on skateboard (total mass of 56.1 kg) is moving at 14.1 m/s at the bottom of a long ramp. The…
A: Mass of the girl M=56.1 kg Initial speed u=14 m/s Final speed v=0 Angle of inclination θ=19.490…
Q: A 4kg block is lowered down a rough inclined plane a distance of 5m from A to B. of 37o with the…
A: 1The work of the weight during the motion of the block from A to B.2 The workdone by the friction on…
Q: A middle school kid is pushing a lawn mower with 60 N of force at an angle 31 degrees below the…
A: Here, applied force(F) = 60 N displacement(S) = 400 m The angle(θ) between the applied force and…
Q: ngling on the free end on the 12.0-m long rope, the other end of which is fixed to a tree limb…
A: We know that the formula of the work done is given as ' W = F ds cosθ where W is the work done F is…
Q: A child throws a ball, which hits a vertical wall at a height of 1.3m above the ball’s release…
A:
Q: F2 = 20 N F1 = 40 N 30° ----- 30° F3 = 50 N
A:
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 85.5-kg person rides an elevator up one level, going up a total distance of 3.02 m. How much…
A:
Q: A box is dragged across a floor by a rope, which makes an angle of 600 with the horizontal. The…
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Q: Calculate the work done, in Joules, on a box pushed with a net force of 45.0 over a distance of 2.5…
A:
Q: Show the fbd/figure, given and formula used. A man whose mass is 70 kg walks up to the third floor…
A: Given that,The mass of man (m) = 70 kgThe vertical height (h) = 12 ma : Here we need to find the…
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: Identify a case where an object is moving over a surface with friction, but the frictional force…
A: When the object moves in a pure rolling motion, the work done by the friction will be zero.
Q: I am going to take a trip in my sailboat (of mass 350 kg), which I’m going to launch by shoving it…
A: Given information: Here, m is the boat’s mass and f is the friction force between ramp and boat.…
Q: A man pulled a 19.0 kg object 15.0 cm vertically with his teeth. (a) How much work (in J) was done…
A: A a. Given Mass of the object pulled by the man is m=-19kg Object is lifted +15 cm =15×10-2m…
Q: 1. A crate of mass 10.0 kg is pulled up a rough 20 degrees incline. The pulling force is 100 N…
A: This is the FBD for the given system. Here, m = 10 kg θ = 200 F= 100 N µ = 0.4 d = 5 m
Q: Calculate the work done (in J) by an 80.0 kg man who pushes a crate 4.20 m up along a ramp that…
A:
Q: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…
A:
Q: he figure below shows a person lifting a box with a mass (m) of 13.5 kg a height (h) of 1.3 m.…
A: Given: The mass of the box is 13.5 kg. The height to which the box is lifted is 1.3 m.
Q: How much work is done by a person lifting a 4.1 kg object from the bottom of a well at a contact…
A: Given Data: The mass of an object is, m=4.1 kg The contact speed is, v=2.2 m/s The time required for…
Q: . Is it possible to do work on an object that remains at rest?
A: Work
Q: Calculate the work done by a 53 N force pushing a pencil 16cm
A: Given data: Force, F = 53 N Displacement, d = 16 cm = 0.16 m
Q: The figure below shows a person pushing a box with a force of 2.2 N over a displacement of 2.5 m.…
A: The person exerts a force of 2.2 N on the box over a displacement of 2.5 mFrom Newtons third law of…
Q: How much work was done by friction as the block slid from point A to point B? Express your answer in…
A: Mass of block = 0.33 kg Vertical distance moved by block = 2.41 m Speed at B ,Vb = 5.8 m/s
Q: Is the work done by the gravitational force on the skier as the skier slides from point AA to point…
A: From the figure we can see that the point AA is at heigher position than point BB So, the…
Q: How much work is done by gravity when dead lifting a 100.0 kg barbell 81.54 cm from the floor to hip…
A:
Q: How much work is done in completing one rep of 50 kg on a bench press ( holding the bar, lowering…
A: Expression for work done - W=F×S ..... (1)Where, W =Work done F =Applied force S =Displacement…
Q: Hawkeye pulls a quiver attached to his bow back 68 cm by exerting a force that increases uniformly…
A: GivenDistance moved ,x=68 cm=0.68 mForce increase uniformly with distance from 0 to 285 NF=285 N
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