A 60-lb wooden box is pushed a distance of 50 ft on a horizontal stone floor by a force just sufficient to overcome the friction between box and floor. The coefficient of kinetic friction is 0.40. (a) What is the required force? (b) How much work does the force do?
Q: A tension force of 165 N inclined at 30.0o above the horizontal is used to pull a 27.0 kg packing…
A:
Q: A 4.4-kg block is pushed 3.5 m up a vertical wall with constant speed by a constant force of…
A: Given information:Mass of the block (m) = 4.4 kgCoefficient of friction between the block and the…
Q: A sledge loaded with bricks has a total mass of 17.9 kg and is pulled at constant speed by a rope…
A: Given Data:- Mass of the sledge is m=17.9 kg The rope is inclined at an angle θ=21.0° above the…
Q: An 8.0 kg sled is initially at rest on a horizontal road. The coefficient of kinetic friction…
A:
Q: A block with a mass of 44.5 kg is pushed with a horizontal force of 150 N. The block moves at a…
A: The block is being pushed across the floor, by the application of a horizontal force. This…
Q: A force of constant magnitude pushes a box up a vertical surface, as shown in the figure. The box…
A:
Q: A 186-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 43.6 °…
A:
Q: with bricks has a total mass of 18.8 kg and is pulled at constant speed by a rope inclined at 19.0°…
A:
Q: A 140-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 16.4°…
A:
Q: A 5.6-kg block is pushed 3.9 m up a vertical wall with constant speed by a constant force of…
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts (a, b,…
Q: A box with a mass of 45.0 kg is pushed with a horizontal force of 150 N. The box moves at a constant…
A: Consider a box having mass m and force(F) is applied horizontally on the box and it moves with the…
Q: A 5 kg block slides down a frictionless plane inclined at an angle of 30 degrees with the…
A:
Q: A block with a mass of 47.0 kg is pushed with a horizontal force of 150 N. The block moves at a…
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: A 6.1-kg block is pushed 2.6 m up a vertical wall with constant speed by a constant force of…
A: Mass of block(m) = 6.1 lg vertical displacement (y) = 2.6 m
Q: A sledge loaded with bricks has a total mass of 19.0 kg and is pulled at constant speed by a rope…
A:
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 crate with a mass of 46.0 kg is pushed with a horizontal force of 150 N. The crate moves at a…
A: mass of crate (m) = 46 kg horizontal force (F) = 150 N distance moved = 5.50 m speed = constant
Q: A box with a mass of 37.0 kg is pushed with a horizontal force of 150 N. The box moves at a constant…
A: a)The required work done is,
Q: A 156-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 29.1°…
A:
Q: A tension force of 165 N inclined at 25.0° above the horizontal is used to pull a 39.0 kg storage…
A: Given data: The value for the tension is F = 165 N The angle is given as = 25.0 degree The given…
Q: A 3.7-kg block is pushed 2.3 m up a vertical wall with constant speed by a constant force of…
A:
Q: A shopper in a supermarket pushes a cart with a force of 41 N directed at an angle of 25° below the…
A:
Q: After being pushed (no matter what force) an object with mass 100 kg covers a distance of 15 m…
A: Given data *The mass of an object is m = 100 kg *The given distance is s = 15 m *The given…
Q: A 3.7-kg block is pushed 3.3 m up a vertical wall with constant speed by a constant force of…
A: Visualize the Problem:
Q: A crate of mass 10.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling…
A:
Q: A 4.8 kg box has an acceleration of 1.6 m/s? when it is pulled by a horizontal force across a…
A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…
Step by step
Solved in 2 steps with 1 images
- A sled has a total mass of 57 kg and is pushed with a horizontal force from rest. It accelerates at 3.1 m/s? and moves a distance of 93 m on a horizontal surface. The coefficient of kinetic friction between the sled and surface is 0.28. Find the work done by the pushing force. Round your final answer to a whole number.Starting from rest, a 5.50-kg block slides 2.40 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is ?k = 0.436. (a) Determine the work done by the force of gravity.(b) Determine the work done by the friction force between block and incline.(c) Determine the work done by the normal force.(d) Qualitatively, how would the answers change if a shorter ramp at a steeper angle were used to span the same vertical height?Starting from rest, a 4.70-kg block slides 3.40 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is = 0.436. (a) Determine the work done by the force of gravity. (b) Determine the work done by the friction force between block and incline. (c) Determine the work done by the normal force. (d) Qualitatively, how would the answers change if a shorter ramp at a steeper angle were used to span the same vertical height?
- While riding on an elevator, a person has twoforces acting on him, a normal force and a gravity force. Suppose the person has mass m is on an elevator that 1 descends a distance d. If the total work on the person is Wiotal = -mgd, what is 4 the magnitude of the normal force? Is the elevator speeding up or slowing down? The knowns in this problem are m and g.A force of constant magnitude pushes a box up a vertical surface as shown in the figure. The box moves at a constant speed. If the mass of the box is 3.70 kg, it is pushed 3.60 m vertically upward, the coefficient of friction is 0.350 and the angle ? is 30.0°, determine the following. (a) work done on the box by F J(b) work done on the box by the force of gravity J(c) work done on the box by the normal force J(d) increase in gravitational potential energy of the box as it moves up the wall JYou are loading a refrigerator weighing 2135 N onto a truck, using a wheeled cart. The refrigerator is raised 1.06 m to the truck bed when it is rolled up a ramp. (Assume that there is no frictional force between the refrigerator and the ramp.) (a) Calculate the minimum work that must be done by the force you apply and the magnitude of the force if the ramp is at an angle with the horizontal of 45.0 degrees. minimum work = force = (b) Calculate the minimum work that must be done by the force you apply and the magnitude of the force if the ramp is at an angle with the horizontal of 10.2 degrees. minimum work = force=
- (a) A block with a mass m is pulled along a horizontal surface for a distance x by a constant force F at an angle e with respect to the horizontal. The coefficient of kinetic friction between block and table is u. Is the force exerted by friction equal to u, mg? If not, what is the force exerted by friction? (Assume 0 is measured above the horizontal.) This answer has not been graded yet. (b) How much work is done by the friction force and by F? (Don't forget the signs. Use the following as necessary: F for the magnitude of F, g, m, x, 0 and u,) WE = (c) Identify all the forces that do no work on the block. (Select all that apply.) O friction f OF Cos(e) OF sin(0) O mE (d) Let m = 2.00 kg, x = 4.50 m, 0 = 3.7°, F = 14.5 N, and u, = 0.400, and find the answers to parts (a) and (b). (Include appropriate signs.) We = W =A 121-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 25.5 ° below the horizontal. The coefficient of kinetic friction is 0.219. What should be the magnitude of P, so that the net work done by it and the kinetic frictional force is zero?a block of mass m=5 kg is pulled at a constant speed along a rough horizontal surface by a rope at 30 degree. the tension in the rope is T and the coefficient of kinetic friction between the block and the surface is 0.25. (a) find the tension in the rope. (b) if the block travels a distance of 4.5 m along the surface, what is the work done by the tension force from the rope? (c) find the work done by friction on the rock.
- A 3.8-kg block is pushed 2.1 m up a vertical wall with constant speed by a constant force of magnitude F applied at an angle of 8 = 30° with the horizontal, as shown in the figure below. If the coefficient of kinetic friction between block and wall is 0.30, determine the following. (a) the work done by F Ⓡ (b) the work done by the force of gravity J (c) the work done by the normal force between block and wall J (d) By how much does the gravitational potential energy increase during the block's motion? JA block with a mass of 39.5 kg is pushed with a horizontal force of 150 N. The block moves at a constant speed across a level, rough plane a distance of 5.95 m. (a) What is the work done (in J) by the 150 N force? (b) What is the coefficient of kinetic friction between the block and the plane?A box with a mass of 46.0 kg is pushed with a horizontal force of 150 N. The box moves at a constant speed across a level, rough floor a distance of 5.55 m. (a) What is the work done (in J) by the 150 N force? J (b) What is the coefficient of kinetic friction between the box and the floor?