Four forces act at point A and point A is in equilibrium. Select the correct force vector P. F3 = 10 lb F, = 10 lb %3D F = 20 lb A y %3D X a. {20i + 10j - 10 k}lb • b. {-10i - 20j - 10 k} lb C. (+ 20i - 10j - 10 k}lb d. None of the above.

Q: The slope of a slanted surface is 2:7. If the horizontal distance is 7/2, what is the vertical…

A: Given: The slant is of ratio 2:7. The horizontal distance is 7/2.

Q: A 76 kg man pushes off from the 84kg block on ice and slides away at a speed of 3 m/s What is the…

A: Given Information  Mass of man =76 kg Mass of block= 84 kg Speed = 3 m/s To Calculate: Speed of the…

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A:

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A: Given, mass m = 0.5 kg height h = 2 m We know the expression for potential energy is  P.E=mgh

Q: A 60 kg man pushes off from the 71kg block on ice and slides away at a speed of 4 m/s What is the…

A: Mass of man, M=60kg Mass of block, m=71kg Speed of man, V=4m/s Let Speed of block be v.

Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/swhen it hits the ground,…

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A: Given Height of tower is h=45 m Acceleration due to gravity is g=9.80 m/s2.

Q: 2,3,1

A:

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Q: The unit of measure called the "newton" is:

A: The unit of measure called the "newton" is:

Q: can you please draw a picture/representation of the scenario described? thanks

A:

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A:

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A: Given: Mass of a man (m) = 66 kg. Mass of a block (M) = 108 kg. Speed of man (v) = 4 m/s.

Q: what is the orientation, is its height 10cm and orientation inverted or upright

A: Object distance =12 cm Focal length=4 cm  Object height =20 cm