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ryzh [129]
4 years ago
11

What is responsible for all changes in motion? acceleration force changing direction energy

Physics
2 answers:
FinnZ [79.3K]4 years ago
6 0
Force is responsible for all changes in motion.
denis-greek [22]4 years ago
4 0
Answer:
Force

Explanation:
Newton's first law states that: "An object maintains its state of rest or motion unless acted upon by an external force"
This means that an object that is at rest will remain at rest unless an external force acts upon it and forces it to start motion. Whereas, a moving object will keep moving in its direction unless an external force acts upon it forcing it to either come to rest or change its direction of motion.
Based on the above, force is responsible for all changes in motion.

Hope this helps :)
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Read 2 more answers
Three objects lie in the x, y plane. Each rotates about the z axis with an angular speed of 5.58 rad/s. The mass m of each objec
QveST [7]

Answer:

a) V1=11.05m/s    V2=92.07m/s     V3=17.24m/s

b) KE = 16238.26J

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For tangential speeds:

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V2 = \omega*R2=5.58*16.5=92.07m/s

V3 = \omega*R3=5.58*3.09=17.24m/s

For the kinetic energy, it can be calculated as:

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So,

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KE=16238.26J

4 0
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