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dmkp
Questions and answers by visitors named
dmkp
Questions (75)
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
4 answers
946 views
A man stands on a slope of 20 degrees.His weight is 65kg. Given that the coefficient of static friction is 1.5, Calculate the
2 answers
493 views
Optical density (0.0.) is defined as the logarithm (power of ten) of the attenuation of light transmitted through protective eye
1 answer
401 views
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and
1 answer
515 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
2 answers
522 views
a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together.
2 answers
591 views
a ball of mass 200 g is thrown vertically upwards with a velocity of 20ms-1 ignoring air resistance.
a) calculate the kinetic
1 answer
700 views
a ball of mass 200 g is thrown vertically upwards with a velocity of 20ms-1 ignoring air resistance.
a) calculate the kinetic
3 answers
876 views
a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together.
1 answer
675 views
a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together.
1 answer
1,242 views
a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together.
2 answers
610 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
1 answer
503 views
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and
1 answer
473 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
1 answer
530 views
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and
1 answer
491 views
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and
1 answer
662 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
1 answer
473 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
3 answers
765 views
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and
2 answers
508 views
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and
2 answers
1,139 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
2 answers
536 views
calculate the following body segment parameters for the thigh of a subject with a height of 180cm and mass of 72kg
a) segment
1 answer
534 views
A subject with a height of 165cm and mass of 69 kg is sitting with his lower limb positioned with hip in 90 degree of flexion
3 answers
618 views
a)Describe the structure of the contractile elements of skeletal muscle
b)Sketch a graph of the relationship between developed
1 answer
425 views
Briefly describe the distribution problem and the two techniques used to overcome it.
1 answer
436 views
3. Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force
1 answer
388 views
3. Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force
1 answer
789 views
for a man of mass 75kg and height 185 cm claculate the following using standard anthropometric data.
1. length of his upper arm
1 answer
1,094 views
for a man of mass 75kg and height 185 cm claculate the following using standard anthropometric data.
1. length of his upper arm
1 answer
446 views
Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has
1 answer
436 views
When a weight-lifter lifts a weight equal to his upper body weight his trunk makes an angle of 40 degrees, with the vertical, as
1 answer
521 views
When a weight-lifter lifts a weight equal to his upper body weight his trunk makes an angle of 40 degrees, with the vertical, as
1 answer
464 views
for a man of mass 75kg and height 185 cm claculate the following using standard anthropometric data.
1. length of his upper arm
1 answer
477 views
Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has
1 answer
816 views
When a weight-lifter lifts a weight equal to his upper body weight his trunk makes an angle of 40 degrees, with the vertical, as
3 answers
955 views
following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length
Load (kN)
2 answers
509 views
A cylindrical steel bar is required to support a load of 650 N. the required bar must be 0.17 m in length and must not deform by
1 answer
477 views
A steel cable of length 10 m and cross-sectional area 1200 mm2 is loaded with an object of weight 30 kN. Given that the cable is
3 answers
593 views
following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length
Load (kN)
1 answer
493 views
A cylindrical steel bar is required to support a load of 650 N. the required bar must be 0.17 m in length and must not deform by
1 answer
494 views
A steel cable of length 10 m and cross-sectional area 1200 mm2 is loaded with an object of weight 30 kN. Given that the cable is
1 answer
486 views
following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length
Load (kN)
1 answer
425 views
A steel bar with a cross sectional area of 25cm2 is found to shear fracture when subjected to a tensile load of 400kN. calculate
1 answer
452 views
A steel beam with a rectangular cross section is bent to form an arc of a circle of radius 6 m. Calculate the maximum stress in
2 answers
626 views
A hollow circular shaft has an external diameter of 160mm and an internal diameter of 120mm. Calculagte the polar second moment
2 answers
1,117 views
A steel bar with a cross sectional area of 25cm2 is found to shear fracture when subjected to a tensile load of 400kN. calculate
1 answer
444 views
The second moment of area of a hollow cylindrical beam with an inner radius of 18mm and an outer radius of 20mm is equal to
A)
2 answers
489 views
The following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length.
Load(kN
2 answers
596 views
The following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length.
Load(kN
2 answers
542 views
6. A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate,
1 answer
357 views
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer
1 answer
368 views
6. A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate,
1 answer
414 views
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer
1 answer
931 views
A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate, as
1 answer
377 views
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer
1 answer
503 views
A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate, as
1 answer
411 views
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer
1 answer
385 views
Select the correct answer.The change in length of a steel wire under an applied load can be halved by keeping all other
2 answers
1,078 views
an aluminium alloy bar with a Young's modulus of 70GPa is under a tensile stress of 10MPa, Which of thefollowing is the equal to
1 answer
462 views
A metal bar with a cross-sectional area of 50mm2 is subjected to a tensile strain of 0.001. What is the tensile force
2 answers
610 views
4. A metal bar with a cross-sectional area of 50mm2 is subjected to a tensile strain of 0.001. What is the tensile force
1 answer
451 views
An aluminium alloy bar with a Young's modulus of 70GPa is under a tensile stress of 10MPa, Which of thefollowing is the equal to
1 answer
379 views
The change in length of a steel wire under an applied load can be halved by keeping all other conditions constant but
3 answers
601 views
a mild steel bar of length 10cm and width of 10mm is extended by 0.01 mm. Which of the following is equal to the change in width
1 answer
502 views
An aluminium alloy bar with a Young's modulus of 70GPa is under a tensile stress of 10MPa, Which of thefollowing is the equal to
1 answer
452 views
A mild steel bar of width 10mm is subjected to a tensile stress of 3,0x105 Pa. Given that Young’s modulus for mild steel is
3 answers
598 views
Sketch a typical stress-strain curve and label all the points of interest and different regions of the curve.
1 answer
344 views
Sketch a stress-strain curve for glass and label all the points of interest and different regions of the curve.
1 answer
366 views
Sketch a stress-strain curve for which the stress is calculated using the actual cross-sectional area rather than the original
1 answer
402 views
Use a sketch to illustrate what cantilever bending is and give an everyday example of it.
(b) use a sketch to illustrate what
1 answer
390 views
Sketch two S-N curves on the same axis, one for a metal with an endurance limit and one for a metal without an endurance limit.
1 answer
345 views
A mild steel bar of length 10cm and width of 10mm is extended by 0.01 mm. Which of the following is equal to the change in width
3 answers
553 views
A metal bar with a cross-sectional area of 50mm2 is subjected to a tensile strain of 0.001. What is the tensile force
1 answer
372 views
An aluminum alloy bar with a Young's modulus of 70GPa is under a tensile stress of 10MPa, Which of the following is the equal to
1 answer
447 views
The change in length of a steel wire under an applied load can be halved by keeping all other conditions constant but using:
A. a
4 answers
769 views
