A 70.0 kg box is pulled by a 300. N force at an angle of 30.0 to the horizontal. The static and kinetic coefficient of the friction between the box and the floor is s = 0.45 and k = 0.35. (A) Draw FBD of the box. (B) What is the normal force the floor applied to the box? (C) Is the box in motion or at rest? (D) if the box is at rest, how big is the friction force? If the box is in motion, what is the acceleration of the box? 10. (16 pt) A 70.0 kg box is pulled by a 300. N force at an angle of 30.0° to the horizontal.The static and kinetic coefficient of the friction between the box and the floor is us = 0.450.35. (A) Draw FBD of the box. (B) What is the normal force the floor appliedto the box? (C) Is the box in motion or at rest? (D) if the box is at rest, how big is thefriction force? If the box is in motion, what is the acceleration of the box?andF30°

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A 70.0 kg box is pulled by a 300. N force at an angle of 30.0 to the horizontal. The static and kinetic coefficient of the friction between the box and the floor is s = 0.45 and k = 0.35. (A) Draw FBD of the box. (B) What is the normal force the floor applied to the box? (C) Is the box in motion or at rest? (D) if the box is at rest, how big is the friction force? If the box is in motion, what is the acceleration of the box?

A 70.0 kg box is pulled by a 300. N force at an angle of 30.0 to the horizontal. The static and kinetic coefficient of the friction between the box and the floor is s = 0.45 and k = 0.35. (A) Draw FBD of the box. (B) What is the normal force the floor applied to the box? (C) Is the box in motion or at rest? (D) if the box is at rest, how big is the friction force? If the box is in motion, what is the acceleration of the box?

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Chapter5: Newton's Laws Of Motion

Section: Chapter Questions

Problem 76PQ: Jamal and Dayo are lifting a large chest, weighing 207 lb, by using the two rope handles attached to...

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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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10. (16 pt) A 70.0 kg box is pulled by a 300. N force at an angle of 30.0° to the horizontal.
The static and kinetic coefficient of the friction between the box and the floor is us = 0.45
0.35. (A) Draw FBD of the box. (B) What is the normal force the floor applied
to the box? (C) Is the box in motion or at rest? (D) if the box is at rest, how big is the
friction force? If the box is in motion, what is the acceleration of the box?
and
F
30°

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