The figure above shows two industrial spies sliding an initially stationary 225 kg floor safe a displacement d⃗ of magnitude 8.50 m. The push F⃗1 of Spy 001 is 12.0 N at an angle of 30.0◦ downward from the horizontal; the pull F⃗2 of Spy 002 is 10.0 N at 40.0◦ above the horizontal. The magnitudes and directions of these forces do not change as the safe moves, and the floor and safe make frictionless contact. (a)  What is the net work done on the safe by forces F⃗1 and F⃗2 during the displacementd⃗? (b)  During the displacement, what is the work Wg done on the safe by the gravitational force F⃗g, and what is the work WN done on the safe by the normal force F⃗N from the floor? (c)  The safe is initially stationary. What is its speed vf at the end of the 8.50 m displace- ment?

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Q: A 2 kg particle moves along an x axis, being propelled by a variable force directed along that axis.…

A: The mass of the particle, m = 2 kg The position vector is x=2 m+ 3 m/st+ct2-4 m/s3t3

Q: Fig. 2 F1 +y 55.0 - +x 54.0 N F2 2. Fig. 2 shows a 25.0-kg crate that is initially at rest. Note…

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Q: Consider the three forces acting on the box. F1= 20.0N at an angle θ1= 45° measured from the…

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Q: A high diver of mass 57.2 kg steps off a board 10.0 m above the water and falls vertical to the…

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Q: Q: A normal walking speed is around 2.0 m/s . How much time t does it take the box to reach this…

A:

Q: mass

A:

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = 0Ni + -5.3Nj…

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Q: A 3.49 kg mass is initially at rest on a 54 degree incline. An applied force of 47.8 N directed up…

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Q: A particle of mass 4.00 kg, moving on a horizontal table top, has an acceleration vector (in m/s2)…

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Q: Problem 10: A horizontal force of magnitude F = 56.6 N pushes on a block of mass m= 5.89 kg. The…

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Q: A force is applied to an initially stationary block of mass 5.70 kg that sits on a horizontal floor…

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A: The given situation can be represented as

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Q: how long (in seconds) will it take the block to reach its maximum height

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Q: A 2 kg object accelerates at a rate of 5 m/s2 to the left, under the influence of two opposing…

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Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = 2.3Ni +…

A:

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: