A warehouse employee pushes a crate across a floor. The worker exerts a force on the crate of 200 N to the right while the crate moves 4.00 m to the right. How much work (in J) did the employee do on the crate? Be sure to enter both the correct magnitude and sign. _____J An empty railroad car is rolling to the right on a track. To slow this car to a stop, a locomotive engine applies a 1,100 N force to the left on the car. The car (and engine) continue to move to the right for a distance of 40 m before slowing to a complete stop. How much work (in J) does the engine do on the car? Be sure to enter both the correct magnitude and sign. ________ J A bag of sand sits on the flat bed of a truck. The sandbag weighs 600 N, so the bed of the truck exerts a normal force upward equal to 600 N. The truck, and sandbag along with it, moves horizontally, in a straight line, at a constant speed over a distance of 250 m. How much work (in J) does the truck bed do on the sandbag over this distance? _________ J
A warehouse employee pushes a crate across a floor. The worker exerts a force on the crate of 200 N to the right while the crate moves 4.00 m to the right. How much work (in J) did the employee do on the crate? Be sure to enter both the correct magnitude and sign. _____J An empty railroad car is rolling to the right on a track. To slow this car to a stop, a locomotive engine applies a 1,100 N force to the left on the car. The car (and engine) continue to move to the right for a distance of 40 m before slowing to a complete stop. How much work (in J) does the engine do on the car? Be sure to enter both the correct magnitude and sign. ________ J A bag of sand sits on the flat bed of a truck. The sandbag weighs 600 N, so the bed of the truck exerts a normal force upward equal to 600 N. The truck, and sandbag along with it, moves horizontally, in a straight line, at a constant speed over a distance of 250 m. How much work (in J) does the truck bed do on the sandbag over this distance? _________ J
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)...
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A warehouse employee pushes a crate across a floor. The worker exerts a force on the crate of 200 N to the right while the crate moves 4.00 m to the right. How much work (in J) did the employee do on the crate? Be sure to enter both the correct magnitude and sign.
_____J
An empty railroad car is rolling to the right on a track. To slow this car to a stop, a locomotive engine applies a 1,100 N force to the left on the car. The car (and engine) continue to move to the right for a distance of 40 m before slowing to a complete stop. How much work (in J) does the engine do on the car? Be sure to enter both the correct magnitude and sign.
________ J
A bag of sand sits on the flat bed of a truck. The sandbag weighs 600 N, so the bed of the truck exerts a normal force upward equal to 600 N. The truck, and sandbag along with it, moves horizontally, in a straight line, at a constant speed over a distance of 250 m. How much work (in J) does the truck bed do on the sandbag over this distance?
_________ J
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