A metalsmith at a foundry drags a hunk of steel across the horizontal foundry floor by pulling on it with a 320 N force angled 28° above the floor. If the kinetic friction force due to the floor is essentially constant at 280 N, what is the net work done on the hunk of steel by both the metalsmith and kinetic friction over a distance of 11 m? A. 3100 J B. 3500 J C. 440 J D 28 1

A metalsmith at a foundry drags a hunk of steel across the horizontal foundry floor by pulling on it with a 320 N force angled 28° above the floor. If the kinetic friction force due to the floor is essentially constant at 280 N, what is the net work done on the hunk of steel by both the metalsmith and kinetic friction over a distance of 11 m? A. 3100 J B. 3500 J C. 440 J D 28 1

Name: A metalsmith at a foundry drags a hunk of steel across the horizontal
Uploaded: 2024-03-20T06:57:25.000Z
Channel: Bartleby
Description: A metalsmith at a foundry drags a hunk of steel across the horizontal foundry floor by pulling on it with a 320 Nforce angled 28° above the floor. If the kinetic friction force due to the floor is essentially constant at 280 N, whatis the net work d

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

A 290-kg piano slides 4.2 m down a 35˚ unloading ramp. A man is pushing back on the piano with the force of 820 N at the angle of 20˚ below the plane of the ramp, so that the piano's slide proceeds at constant velocity. Find the work of friction during the slides. a. 2500 J b. -2500 J c. 3600 J d. -3600 J
3. A 10-N force is applied to push a block across a frictional surface at constant speed for a displacement of S.0 m to the right. The picture shows details about force of friction, normal force and gravitational force that act on the block. Totał work done in this situation is A. 50) norm 20 N C.- 50 J 8. 100 J D. OJ =10 N frict =20 N
A 81-kg skydiver has a speed of 71 m/s at an altitude of 912 m above the ground. a. Determine the kinetic energy possessed by the skydiver.b. Determine the potential energy possessed by the skydiver.c. Determine the total mechanical energy possessed by the skydiver.
A van travels on a rough level road with an initial speed vo. The road has a coefficient of kinetic friction Hk. At the instant when the brakes lock, the tires slide than roll. 1. List down the forces that do work on the car. 2. Use the work-kinetic energy theorem to determine the minimum stopping distance of the car in terms of its initial velocity vo, the acceleration due to gravity g and the coefficient uk. 3. Using one of the kinematic equations, determine the time it takes for the car to stop in terms of the initial velocity vo. 4. Use your previous result to determine the power it takes for the car to stop completely.
A force, in an angle of 32º, is applied to a 28-kg object which caused it to accelerate at 12 m/s2. It moved at a distance of 34 m, horizontally. How much work is done by the force? a. 9688.10 J b. 0 J c. 6053.80 J d. 4528.57 J
A 2.11 kg cart moving along a horizontal track in the positive x direction has a changing force exerted on it. The force exerted on the cart is plotted in the graph shown. In the plot, Fmax has a value of 5.95 Newtons. Note that the friction between the cart and track is negligible. a.-Calculate the work done on the cart when it has reached a displacement of 21.3 cm along the track. b.- If the cart starts from rest, calculate how fast the cart is going when it has reached a displacement of 21.3 cm along the track.
Sara used a sling shot to hunt a bird. She stretched the rubber band 5cm when she applied 2 N force. How much elastic potential energy is stored in the sling shot ? A. 0.05 J B. 0.075 J C. 0.45 J D. 0.25 J
Q30
A grocery cart is pulled along a rough horizontal surface of 5.0 N. It moves through a distance of 6.0 m at a constant speed. a. How much work is carried out by this force? b. How much work is carried out by friction? c. Find the work done on the cart.
Which of the statements below is true when you catch a baseball that comes at you horizontally? a. The work that you do is positive. b. The work that you do is negative. c. Work is not a vector and cannot be referred to as positive or negative. d. Work is a scalar product expressed in terms of magnitudes, so it is never negative. e. Work is expressed in terms of kinetic energy, which must be positive.
A car is accelerated from velocity v1 to v2 in the time period of t . The mass of the car is m. The inclined angle of the hill is α. The distance travelled along the hill is L. The vertical distance travelled is H. Select the equation used to calculate the potential energy increase of the car ΔPE______ A. B. ΔPE=mgH C. ΔPE=mgL D.
Before railroads were invented, goods often traveled along canals, with mules pulling barges from the bank. If a mule is exerting a 1200 N force for 10 km, and the rope connecting the mule to the barge is at a 20 degree angle from the direction of travel, how much work did the mule do on the barge? a. 12 MJ b. 11 MJ c. 4.1 MJ d. 6 MJ