What is the lowest amount of work required to pull a 950 kilogram granite block up...
What is the lowest amount of work required to pull a 950
kilogram granite block up an inclined plane tilted at 9.0° above
horizontal if the inclined plane is 710 meters long?
| between 8.0 x 105 J and 8.5 x 105 J |
| between 8.5 x 105 J and 9.0 x 105 J |
| between 9.0 x 105 J and 9.5 x 105 J |
| greater than 9.5 x 105 J |
| smaller than 7.0 x 105 J |
| between 7.0 x 105 J and 7.5 x 105 J |
| between 7.5 x 105 J and 8.0 x 105 J |
Homework Answers
here,
the mass of block , m = 950 kg
theta = 9 degree
the length of incline , l = 710 m
the minimum work done required , W = m * g * l * sin(theta)
W = 950 * 9.81 * 710 * sin(9) J
W = 10.4 * 10^5 J
correct option is (greater than 9.5 * 10^5 J)
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What is the lowest amount of work required to pull a 950
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