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3 years ago

What is kinematics . Give two examples

Physics

2 answers:

Wittaler [7]3 years ago

8 0

Answer:

kinematics explains the terms like acceleration, velocity, and position of the objects while in motion.

Some important parameters in kinematics are displacement, velocity, and time.

Explanation:

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thank me if it was correct for you too.

Varvara68 [4.7K]3 years ago

6 0

Answer:

<h3>Definition of Kinematics :- </h3>

Kinematics is the study of the motion of mechanical points, bodies and systems without consideration of their associated physical properties and the forces acting on them. ... An example model of bodies in a system is the gears in a vehicle's transmission.

<h3>Example of kinematics :- </h3><h3>The examples for kinematics are given below: -</h3>

i) Moving train and bus.
ii) Motion of a mass on inclined plane.
iii) Running water in the river.
iv) Falling water from a mountain peak.

Explanation:

<h3>Hope this helps you dear ✌️</h3><h2>Carry on learning !! </h2>

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3 years ago

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Answer:

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Explanation:

According to Newton's second law, and assuming friction force as zero:

$F_m=m.a\\F_m=0.875kg*a$

The acceleration is given by:

$a=\frac{\Delta v}{t}\\a=\frac{0.685m/s}{21.5*10^{-3}s}\\\\a=31.9m/s^2$

So the force exerted by the motor is:

$F_m=0.875kg*31.9m/s^2\\F_m=27.9N$

The work done by the motor is given by:

$W_m=F_m*d\\\\d=\frac{1}{2}*a*t^2\\d=\frac{1}{2}*31.9m/s^2*(21.5*10^{-3}s)^2\\\\d=7.37*10^{-3}m$

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And finally, the power is given by:

$P=\frac{W_m}{t}\\P=\frac{0.206J}{21.5*10^{-3}s}\\\\P=9.58W$

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What is kinematics . Give two examples​

What is kinematics . Give two examples