Which of the following is the correct unit for Young's Modulus? 1- Newton (N) 2- Newton...
Which of the following is the correct unit for Young's Modulus?
1- Newton (N)
2- Newton per meter (N/m)
3- Newton per square meter (N/m2)
4- It doesn't have unit
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Which of the following is the correct unit for Young's
Modulus?
1- Newton (N)
2- Newton...
A copper (Young's modulus 1.1 x 1011 N/m2) cylinder and a brass (Young's modulus 9.0 x...
A copper (Young's modulus 1.1 x 1011 N/m2) cylinder and a brass (Young's modulus 9.0 x 1010 N/m2) cylinder are stacked end to end, as in the drawing. Each cylinder has a radius of 0.38 cm. A compressive force of F = 8600 N is applied to the right end of the brass cylinder. Find the amount by which the length of the stack decreases.
Steel Young's Modulus (Y) 20 X 1010 N/m2 Shear Modulus (S) 8.1 X 1010 N/m2 Bulk...
Steel Young's Modulus (Y) 20 X 1010 N/m2 Shear Modulus (S) 8.1 X 1010 N/m2 Bulk Modulus (B) 16 X 1010 N/m2 The table to the above represents various properties of steel. You have steel wire 4.4 meters in length that stretches 0.12 cm when subjected to a force of 300 N. 1)What is the diameter of the wire? d1 =__________ cm 3)What would the diameter of the wire be if you wanted the wire to stretch 0.06 cm less...
Steel is very stiff, and Young's modulus for steel is unusually large, 2 × 1011 N/m2....
Steel is very stiff, and Young's modulus for steel is unusually
large, 2 × 1011 N/m2. A cube of steel 17 cm
on a side supports a load of 58 kg that has the same horizontal
cross section as the steel cube.
(a) What is the magnitude of the "normal" force
that the steel cube exerts on the load?
F=
N
(b) What is the compression of the steel cube?
That is, what is the small change in height of...
A particular human hair has a Young's modulus of 3.18 × 109 N/m2 and a diameter of 152 μm. If a 2...
A particular human hair has a Young's modulus of 3.18 × 109 N/m2 and a diameter of 152 μm. If a 268 g object is suspended by the single strand of hair that is originally 16.0 cm long, by how much A L hair will the hair stretch? If the same object were hung from an aluminum wire of the same dimensions as the hair, by how much Δ LAI would the aluminum stretch? If the strand of hair is...
8. Young's modulus Y of aluminum is 7 x 101°N/m2 , If you apply 10' N...
8. Young's modulus Y of aluminum is 7 x 101°N/m2 , If you apply 10' N force to end of a wire radius 1 cm, length 1 m) hanging from ceiling, how much will the length increase (a) 7cm (b) 0.00007m (c)2.29m (d) none of them solution : (d) (F/A) = Y(AL/L), thus AL = (FL)/(YA) = (104 x 1)/(7 x 1010 X7X (0.01)2) = 10-2/(77) = 0.045 x 10-?m
An 9.15-kg stone at the end of a steel (Young's modulus 2.0 x 10^11 N/m2) wire...
An 9.15-kg stone at the end of a steel (Young's modulus 2.0 x 10^11 N/m2) wire is being whirled in a circle at a constant tangential speed of 13.9 m/s. The stone is moving on the surface of a frictionless horizontal table. The wire is 4.40 m long and has a radius of 3.25 x 10^-3 m. Find the strain in the wire.
Suppose you are going to measure Young's modulus for three rods by measuring their stretch when...
Suppose you are going to measure Young's modulus for three rods by measuring their stretch when they are suspended vertically and weights are hung from them, as shown. (FIA) Rod 1 is 3.7 meters long and cylindrical with radius 7 mm (1 millimeter is 0.001 m). Rod 2 is 2.2 meters long by 8 mm wide by 3 mm deep. Rod 3 is 2.0 meters long by 6 mm wide by 6 mm deep. The definition of Young's modulus, Y...
The unit for Force is N for Newton. Which is defined as an object's mass times...
The unit for Force is N for Newton. Which is defined as an object's mass times its acceleration. The unit for distance is "M" for Meter. The unit for work is "J" for Joule. Use the W=FD equation to solve the following problems. Please show your work. 8. I carried my 50kg girlfriend 7m. How many joules of work did I do? 9. The delivery man had to carry a 50kg box 20m to its owner. How much did this...
(14%) Problem 2: The "lead" in pencils is a graphite composition with a Young's modulus of...
(14%) Problem 2: The "lead" in pencils is a graphite composition with a Young's modulus of about 1.10 N/m. * Calculate how much shorter (in mm) the length of the lead becomes in an automatic pencil if you tap it straight into the pencil with a force of 4.8 N. The lead is 0.55 mm in diameter and 61 mm long. Grade Summary AL = 3.391 Deductions 12% Potential 88% sin() cos t an() cotan) asin() acos() atan) acotan sinh)...
Steel is very stiff, and Young's modulus for steel is unusually
large, 2 × 1011 N/m2. A cube of steel 17 cm
on a side supports a load of 58 kg that has the same horizontal
cross section as the steel cube.
(a) What is the magnitude of the "normal" force
that the steel cube exerts on the load?
F=
N
(b) What is the compression of the steel cube?
That is, what is the small change in height of...
A particular human hair has a Young's modulus of 3.18 × 109 N/m2 and a diameter of 152 μm. If a 268 g object is suspended by the single strand of hair that is originally 16.0 cm long, by how much A L hair will the hair stretch? If the same object were hung from an aluminum wire of the same dimensions as the hair, by how much Δ LAI would the aluminum stretch? If the strand of hair is...
8. Young's modulus Y of aluminum is 7 x 101°N/m2 , If you apply 10' N force to end of a wire radius 1 cm, length 1 m) hanging from ceiling, how much will the length increase (a) 7cm (b) 0.00007m (c)2.29m (d) none of them solution : (d) (F/A) = Y(AL/L), thus AL = (FL)/(YA) = (104 x 1)/(7 x 1010 X7X (0.01)2) = 10-2/(77) = 0.045 x 10-?m
Suppose you are going to measure Young's modulus for three rods by measuring their stretch when they are suspended vertically and weights are hung from them, as shown. (FIA) Rod 1 is 3.7 meters long and cylindrical with radius 7 mm (1 millimeter is 0.001 m). Rod 2 is 2.2 meters long by 8 mm wide by 3 mm deep. Rod 3 is 2.0 meters long by 6 mm wide by 6 mm deep. The definition of Young's modulus, Y...
(14%) Problem 2: The "lead" in pencils is a graphite composition with a Young's modulus of about 1.10 N/m. * Calculate how much shorter (in mm) the length of the lead becomes in an automatic pencil if you tap it straight into the pencil with a force of 4.8 N. The lead is 0.55 mm in diameter and 61 mm long. Grade Summary AL = 3.391 Deductions 12% Potential 88% sin() cos t an() cotan) asin() acos() atan) acotan sinh)...
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