51+81-2k. If the displaceme Two force vectors are given P = î+2ĵ+4k, and Q = vector is D = 1-5ĵ+2k, what is the total work done by these two forces?
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: 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 block of mass 2.50 kg is pushed 3.00 m along a frictionless horizontal table by a constant 16.0 N…
A:
Q: The net work done on an object may be determined by a combination of kinematics and dynamics or by…
A: mass =14.5 g= 14.5 ×103 kg length = 73.5 cm= 0.735m speed = 825 m/s.
Q: The roof of a large arena, with a weight of 480 kN, is lifted by 34 cm so that it can be centered.…
A:
Q: A person pulls a toboggan for a distance of 29.8 m along the snow with a rope directed 28.9" above…
A:
Q: A physicist has been studying the effects of an unknown force. The work required to move an object…
A: The correct option is (4). i.e Kg m³ / 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: A block of mass 2.50 kg is pushed 2.20 m along a frictionless horizontal table by a constant 14.0N…
A:
Q: A person pulls a toboggan for a distance of 30 m along the snow with a rope directed 350 above the…
A: Given data: Distance moved by the toboggan, d=30 m Angle of the rope with horizontal, θ=350 Tension…
Q: One species of Darwin’s finch, Geospiza magnirostris, can exert a force of 217 N with its beakas it…
A:
Q: The force on an object is given by the equation Fix) = 4.32 N/m^2 x^2 - 7.32 N/m x +12.3 N. what is…
A:
Q: A bullet with a mass of 14.5 g is accelerated along the length of a 73.5 cm long rifle barrel from…
A: The given mass of the bullet is m =14.5 = 0.0.145 kg Velocity of the bullet at the time of bullet…
Q: An applied force of 40.0 N j lifts an object straight up a distance of 1.20 m. If the object has a…
A:
Q: A 0.50-kg book slides on a horizontal table top. The kinetic friction force on the book has a…
A: The work done by the kinetic friction force is, W=Fscosθ The mass of the book, m=0.50 kg The…
Q: blem 5: A boy is pulli an angle of 30°.
A: Force exerted on the wagon, Displacement travelled by wagon,…
Q: A physicist has been studying the effects of an unknown force. The work required to move an object…
A: Given Work required by an unknown force = W Displacement = x W = A + b/x Where A and b are the…
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: A horizontal force ?⃗?of magnitude 21.0 N is applied to a 3.12 kg book as the book slides a distance…
A:
Q: Which of the following statements is NOT true, in regards to force and displacement vectors?…
A:
Q: A force of 30 N acts on an object with mass 5kg, and the object is displaced 10 m along a rough…
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: (1) Suppose you lift a stone that has a mass of 5.1 kilograms off the floor onto a shelf that is 2.5…
A: According to question we need to find work done .
Q: In the figure, a frictionless roller coaster car of mass m-992 kg tops the first hill with speed…
A: work done by a forcein this case the force isExplanationwork done by gravityBecause the automobile…
Step by step
Solved in 2 steps
- Ex(N) 80 50 25 X(m) 10 25 40 50 58 1) Work by a force, drawn on a graph, determine: a) The total work done by the force. b) Work at (10sx<40) m?A mountain climber is about to haul up a 90-m length of hanging rope. How much work will it take if the rope weighs 0.65 N/m? Set up the integral that gives the work done. (Type an exact answer, using radicals as needed.)answer should be fraction
- A 60 Nt force is exerted on a 5 kg box at an angle of 60° above the horizontal. (a) What is the work done by the 60 Nt force on the box if the box moves a distance of 2 m across the floor? (b) What is the work done by the normal force?: (c) If the box moves at a constant speed, what is the work done by friction on the box?: (d) What is the work done by gravity on the box? (e) What is the total work done by all of the forces on the box?A force of: F = (23i+16j-51K)N is applied to a particle of mass 15-kg. The particle has a speed of 10 m/s when the force is applied and is at coordinates: (6,-10,8)m. Under the application of this force. the particle moves to a new position: (25,-21,-10)m.Determine: a) The work done by the force on the particle over this interval b) The speed of the particle at the end of this intervalA force F = bx acts in the î-direction, where the value of b is 3.70 N/m³. How much work is done by this foPee in moving an object from (ro, Yo) = (0,0) to (xf, yf) = (2.60, 0) m? (A) O J (B) 11.4 J (C) 42.3 J (D) 56.4 J (E) 75.0 J (F) 169.1 J
- 21. A delivery person carries a 215-N box up stairs 4.20 m vertically and 6.80 m horizontally. (a) How much work does the delivery person do?(a) A force F= (2x1 + 4yĵ), where F is in newtons and x and y are in meters, acts on an object as the object moves in the /F. F. dr done by the force on the object (in J). x-direction from the origin to x = 4.63 m. Find the work W = J (b) What If? Find the work W = (4.63 m, 4.63 m) along a straight-line path making an angle of 45.0° with the positive x-axis. J F. dr done by the force on the object (in J) if it moves from the origin to Is the work done by this force dependent on the path taken between the initial and final points? dependent independentHow much work (in Joules) is done by a 32N force acting over a distance of 8m? Assume the force is in the same direction as the displacement.
- The force on a particle is directed along an x axis and given by F = Fo(x/xo - 1) where x is in meters and Fis in Newtons. If Fo= 2.1 N and xo = 2.0 m, find the work done by the force in moving the particle from x = 0 to x = 2x0 m.Two force vectors are given P = Î+2ĵ+4k, and Q = 5î+8ĵ-2k. If the displacement vector is D = 1-5ĵ+2k, what is the total work done by these two forces?In the figure, the rock weighs 115 lb and is lifted 1 ft by the lever. F Fulcrum 3F 3d (a) How much work is done? ft-lb (b) The other end of the lever is pushed down 3 ft while lifting the rock. What force had to act on that end? Ib