4. A 130 N force is applied on the handle of a lawn mower. The handle makes an angle of 50° with the ground as the lawnmower moves across the ground. Determine the following: а. the magnitude of the component of the force acting in the direction of motion.

4. A 130 N force is applied on the handle of a lawn mower. The handle makes an angle of 50° with the ground as the lawnmower moves across the ground. Determine the following: а. the magnitude of the component of the force acting in the direction of motion.

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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Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

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4. A 130 N force is applied on the handle of a lawn mower. The handle makes an angle
of 50° with the ground as the lawnmower moves across the ground. Determine the
following:
a.
the magnitude of the component of the force acting in the direction of motion.
b.
the work done by this force if the lawnmower is pushed 15 m across the ground.
5. John does 176 J of work lifting himself 0.300 m. What is John's mass?

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