Suppose the child has a mass of 30.0 kg and exerted 75.0 N of force on a resting 6.00 kg ball filled with sand. A ball rolls at a constant velocity. Which of the following best describes the net force on the ball? O The net force is non-zero and acts in the direction the ball is rolling The net force is zero O There are no forces acting on the ball. O The net force is non-zero is in the mass direction

Suppose the child has a mass of 30.0 kg and exerted 75.0 N of force on a resting 6.00 kg ball filled with sand. A ball rolls at a constant velocity. Which of the following best describes the net force on the ball? O The net force is non-zero and acts in the direction the ball is rolling The net force is zero O There are no forces acting on the ball. O The net force is non-zero is in the mass direction

Name: Practice Suppose the child has a mass of 30.0 kg and exerted 75.0 N of
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Description: Practice Suppose the child has a mass of 30.0 kg and exerted 75.0 N of force on a resting 6.00 kg ball filled with sand.A ball rolls at a constant velocity. Which of the following best describes the net force on the ball?O The net force is non-zero a

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 Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows:

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Practice

Suppose the child has a mass of 30.0 kg and exerted 75.0 N of force on a resting 6.00 kg ball filled with sand.
A ball rolls at a constant velocity. Which of the following best describes the net force on the ball?
O The net force is non-zero and acts in the direction the ball is rolling
O The net force is zero
O There are no forces acting on the ball.
O The net force is non-zero is in the mass direction

Suppose the child has a mass of 30.0 kg and exerted 75.0 N of force on a resting 6.00 kg ball filled with sand.
What can you conclude about the acceleration of the child and of the ball?
O Both the child and the ball experience the same amount of acceleration.
● The ball experiences a greater magnitude of acceleration than the child.
O Neither the ball nor the child accelerates, as the forces cancel each other out.
O The child experiences a greater magnitude of acceleration than the ball.

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Problem 4: Speed deamplifier. In the figure above on the right, block 1 of mass m1 slides along an x-axis on a frictionless floor at speed 4 m/sec.Then it undergoes a one-dimensional elastic collision with stationary block 2 of mass m2 = 2m1. Next, block 2 undergoes a one-dimensional elastic collision with stationary block 3 of mass mz = 4m1. What then is the speed of block 3? Answer: 16 m/sec or 1.78 m/sec.