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Tanya [424]
3 years ago
9

Which of the following statements are incorrect? a) The state of matter for an object that has a definite volume but not a defin

ite shape is a liquid state b) The state of matter for an object that has both definite volume and definite shape is solid state c) The state of matter for an object that has a definite shape and is highly compressible is gaseous state d) The state of matter for an object that has no definite volume and takes the shape of its container is gaseous state e) The state of matter for an object that is rigid is solid state
Physics
1 answer:
hoa [83]3 years ago
7 0

Answer:

a), b), d), and e) are correct.

Explanation:

c) is incorrect because an object that has a definite shape cannot be in a gaseous state as gaseous objects take the shape of their container.

a) is correct because objects that are liquid have definite volumes but no definite shapes as they take the shape of their containers,

b) is correct as this is the definition of an object which is in a solid state.

d) is correct as this is the definition of an object which is in a gaseous state.

e) is correct as rigidness, the quality of having a definite shape is only exhibited by objects that are in solid state.

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(b) The work done by the frictional force on the tractor is 55,977.93 J.

(c) The total work done by  all the forces is 23,990.54 J.

<h3>Work done by the applied force</h3>

The work done by the force applied by the tractor is calculated as follows;

W = Fd cosθ

W = (5000 x 20) x cos(36.9)

W = 79,968.47 J

<h3>Work done by frictional force</h3>

W = Ffd cosθ

W = (3500 x 20) x cos(36.9)

W = 55,977.93 J

<h3>Net work done by all the forces on the tractor</h3>

W(net) = work done by applied force  -  work done by friction force

W(net) = 79,968.47 J -  55,977.93 J

W(net) = 23,990.54 J

Learn more about work done here: brainly.com/question/25573309

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