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.

University Physics Volume 1
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Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
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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.
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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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