A girl pushes a 25-kg lawn mower. If the force she applies on the handle of the mower is 30 N and the angle made by the handle with the horizontal x axis is 370, (a) What is the acceleration of the mower and (b) What is the normal force exerted on the mower by the lawn? Ignore friction.

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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by the ground?
6. A girl pushes a 25-kg lawn mower. If the force she applies on the handle of the mower is
30 N and the angle made by the handle with the horizontal x axis is 37°, (a) What is the
acceleration of the mower and (b) What is the normal force exerted on the mower by the
lawn? Ignore friction.
R
7. A horizontal force of 40 N acting on a block on a frictionless level surface produces an
acceleration of 2.5 m/s2. A second block of mass 4.0 kg, is dropped onto the first. What is
the magnitude of the acceleration of the combination of blocks if the same force
continues to act.
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Transcribed Image Text:IO by the ground? 6. A girl pushes a 25-kg lawn mower. If the force she applies on the handle of the mower is 30 N and the angle made by the handle with the horizontal x axis is 37°, (a) What is the acceleration of the mower and (b) What is the normal force exerted on the mower by the lawn? Ignore friction. R 7. A horizontal force of 40 N acting on a block on a frictionless level surface produces an acceleration of 2.5 m/s2. A second block of mass 4.0 kg, is dropped onto the first. What is the magnitude of the acceleration of the combination of blocks if the same force continues to act. V % Print 5 Q Search G 6 B & -- N F * U + الالات 00 8 a to 144 N M 9 H J K 10 ► 11 L P 12 - = prt sc bac
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