26. A boy exerts an average force of 65N when he lifts a box by 1.2 m. How much work does he do? O 54J O 66 J O 78 J O OJ

Q: Explain about Work done by a force.

A: When a force acts on an object over a distance, it is said to have done work on the object.  It is…

Q: Javier moved the 15 kg dumbbell from a rackI.I m above the floor to the weight bench 0.65 m above…

A: The mass of the dumbbell, m=15 kg   The vertical distance, ∆h=1.1 m-0.65 m=0.45 m   The acceleration…

Q: A box is pulled 20m across a warehouse by a 50N force. The force makes a 35° angle with the…

A: Given that, Force = 50 N In first case, Distance = 20 m Angle = 350  In second case, Distance 10 m…

Q: A force (2î-45)N moves an object from the pointP (1, 3) m to the point Q (3, 8) m. The work (in J)…

A: Force, F = (2i-4j) The position vector,  P = (1i+3j) and Q=(3i+8j)

Q: You are trying to move a crate with mass 22 kg from A to B onsite. You don't know the value of h,…

A:

Q: şame tension is directed parallel to the snow? directed 25° above the snow. The tension in the rope…

A: Given: Tension in the rope, T = 94N Angle b/w rope and snow, θ = 25o Distance covered, s = 35.0m

Q: 19. Karen has a mass of 57.0 kilograms and she rides up an escalator at Woodly Park Station of the…

A:

Q: A gust of wind exerts a FORCE of 86 (kg m/s/s) moving a lawn chair a DISTANCE of 16.9 m in a…

A:

Q: A 190-N crate slides with constant speed a distance of 10 m downward along a rough slope that makes…

A: SOlution: Given that W =80 N d = 10 m angle = 30 degree

Q: A 4.50 kg block is acted on by a 20.9N net force. If the block starts from rest, then at the end of…

A: Given Data :mass of block m  = 4.5 kgmagnitude of Net force F = 20.9 Nlet force acts in n^ hence F→…

Q: A boy is pulling his sister in a wagon , as shown in the figure . He exerts a force of F = 47N at an…

A: Given Force applied = F = 47 N angle above the horizontal= 30° displacement travel = 31.5 m We have…

Q: A child pulls a sled upon snow covered hill. The child dose 120 J of work on the shed . If child…

A: Given data :                Distance  covered   =   d                 Work done     =    w…

Q: Ellie is pushing a rolling bag at 40o with a force of 350 N and able to displace her bag by 2800 mm,…

A: The angle is Φ = 40o  Force is F = 350 N  Displacement is S = 2800 mm = 2.8 m

Q: Mr. Mangan pushes a box across a frictionless surface with a force of 150 N for 8 m. Find the work…

A:

Q: Find the work done by 45N force in pulling the suitcase at an angle of 50d egrees with respect to…

A:

Q: 15. The figure below shows the acceleration of a 10-kg package that is accelerated to a maximum…

A: Write the equation for the work done. Work doneW=Area under the curve…

Q: A force of 24 N applied at an angle of 55 to the horizontal moves a crate of 5.0 kg over a distance…

A: The work done by a constant force F is given by the vector dot product W=F⇀·d⇀ = Fdcosθwhere d ⇀is…

Q: Andy carries a sack of rice on his shoulder by applying a 250N force. Andy moves 8 m horizontally,…

A:

Q: The magnitude of the component of the force that doesthe work is 43 N. How much work is done on a…

A:

Q: A 2-kg object moving on a horizontal frictionless surface with a speed of 4 m/s is brought to rest…

A:

Q: A force of 434.0 N is exerted on a 1,250 N car while moving it a distance of 2.65 m. How much work…

A: Express the relation for the work done on the car. W=Fd Here, W is the work done, F is the force…

Q: In the figure, a constant force F of magnitude 85.0 N is applied to a 4.0 kg shoe box at angle -…

A: Fa = 85 N ϕ = 53overtical displacement (h) = 0.45 m mass = 4 kg

Q: A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of…

A:

Q: Andy carries a sack of rice on his shoulder by applying a 250N force. Andy moves 8 m horizontally,…

A:

Q: An 8.0 kg robot starts from rest and speeds up to 3.0 m/s in 3.0 s. How much work is done by the…

A: Given data: Mass (m) = 8.0 kg Initial velocity (v0) = 0 m/s Final velocity (v) = 3.0 m/s Time (t) =…

Q: 1.A worker leans on a crate and pushes it on a horizontal surface with a force of 235 N in a…

A:

Q: (a) How much work is done in lifting a 1.3-kg book off the floor to put it on a desk that is 0.6 m…

A: Mass of the book,m = 1.3kg Height of desk,d =0.6m Acceleration due to gravity, g = 9.8m/s2

Q: 32. A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a…

A: Given that-Mass of the mouse is 200 gInitial speed is 0 m/sFinal speed of ball is 8.0 m/sThe height…

Q: QUESTION 6 1. Claude applies a force to a crate to move it across the floor. The force is in the…

A: SOlution: given that F =0.6X3

Q: A 3kg object is pulled along a horizontal surface at a constant speed by a 15 N force acting at…

A: m=3 kgF=15 Nθ=200d=12 mW=?

Q: You apply a constant force of (33 N) i- (42 N) j to a loaded supermarket pushcart as it undergoes a…

A: From the question, it is given that- Constant force applied: F→=(33N)i^-(42N)j^Displacement of…

Q: A webassign.net 11. DETAILS SERPSE10 7.4.OP.008.MI. MY NOTE The force acting on a particle varies as…

A: Let work done be: W=∫ifFdx=area under curve from xi to xf Given,  xi=0 m and xf=4 m W0→4=area of…

Q: One of the forces exerted on a particle is F = Bx'i, where B = 6 N/m². How much work does F do (in…

A: Given: The force exerted on the particle is F=βx2i, where β=6 N/m2. The movement of particle is…

Q: Q1. 1 Jis the energy required to doof work. O 1N O 1J O 9.8 N O 98 J

A: From Energy conservation:   Work Done = Potential Energy

Q: A person picks a 1.00 kg box of macaroni from off the shelf and lowers it 0.77 m into a shopping…

A: Given:-  The mass of the box of macaroni is m = 1.0 kg. The distance the person put that box is d =…

Q: A 5 N force, parallel to an incline's surface, pushes a crate 5 m up the 15º incline at a constant…

A: The force acting parallel to the incline surface is F = 5 N. The angle of inclination of the…

Q: Find the work done: a. from -3 m to 2 m. b. from 2 m to 0 m. c. from -3 m to 3 m

A: given that mass of the object, m=1 Kg object is initially at rest at x=-3 m We have to find the work…

Q: 5. A boy pulls a 29.0-kg box with a 180-N force at 40° above a horizontal surface. If the…

A:

Q: 35. A gardener pushes a lawnmower through a distance of 20m. If he applies a force of 196N in a…

A: Work done is equal to the product of force and the displacement along the direction of applied…

Q: Bassam pushes a box 2.5 m by applying a 20N horizontal force. What work does he do? Select one: a.…

A: Required : Work done, W.

Q: A 210.0 lb hiker is able to ascend a 1,100.0 ft high slope in 30 minutes. What was the average power…

A: The given data are listed below with appropriate variables. Here, W denotes the weight, h denotes…

Q: A 5.00kg block starts from rest at the top of a 30.0° incline and slides 2.0m down the incline in…

A: Given: The mass of the block is 5.00 kg. The angle of inclination is 30.0 degrees. The distance…

Q: A boy is pulling his sister in a wagon, as shown in the figure. He exerts a force of F= 43 N at an…

A: Given that:-→ForceF=43 N→Angleθ=30°→Displacementd=29.5mwe know that work done is given by:-  ⇒…

Q: A constant force  F  = (8î + 5ĵ + 3k) N acts on object . As a result, the object moves along the…

A: Given : F  = (8î + 5ĵ + 3k) N The object moves along the x-axis from x = 0 m to x =  5 m. Therefore…

Q: 16. Stan does 176 J of work lifting himself 0.300 m. What is Stan's mass?

A: