Give one example for each of the following. Rotational motion Circular motion Compound motion.

Motion is the rate of change of position of an object with respect to the time and surroundings. The motion of an object along a circular path in a fixed orbit is known as rotational motion. It's also known as a body's motion in which all the particles travel in a circular motion. Eg: Rotation of the earth on its own axis. A circular motion is defined as a body movement that follows a circular path. Uniform circular motion is the motion of a body travelling at a constant speed along a circular path. Eg: The motion of a car on a curved road. A motion that is a combination of rotational and translational motion is a compound or combined motion. Eg : A wheel rolling down the road.

The table on oscillation prepared by Likitha, Iqbal, and Sonu given below. Likitha Iqbal Sonu The motion of the membrane across the drum head of a chenda, on beating it. The motion of the membrane across the drum head of a chenda, on beating it. The motion of an arrow, shot from a bow. The motion of a swinging cot. The motion of a string while playing a veena. The motion of the prongs of excited tuning fork. The motion of a giant wheel. The motion of the prongs of the excited tuning fork. The motion of a stretched metal wire on strumming it. What is the main difference between vibration and oscillation?

Oscillations and vibrations both are the examples of to and fro motion. The vibrations are very small in amplitude compare to oscillations. Amplitude is the distance travelled by the vibrating object either side from its mean position. The vibrations called as oscillations once the amplitude becomes large.

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The triangular law of vector addition and triangular law of velocities are the same.

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Important Questions on Dynamics

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

Explain three types of motion by giving examples.

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

Find the resultant of two equal velocities of

90 m s^{- 1}

inclined at an angle

60 °

EASY

Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

Two velocity vectors

\vec{P,} \vec{Q}

of magnitude

20 units

and

25 units

respectively makes an angle of

60 °

with each other. The magnitude of the resultant vector is :

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

Write down the different kinds of motion and give one example for each of them.

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

Write the motion of different parts of a bicycle while it is motion

a) the wheel

b) the cycle chain

c) the pedal with its arm

d) the movement of the feet pedaling

e) the movement of the rider along with the bicycle.

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

A force of $10 N$ is resolved into the perpendicular components. If the first component make $30 °$ with the force, the magnitude of the components are

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

A boat moves at a speed of

20 km h^{- 1}

due south across a river which has a current which flows

10 km h^{- 1}

in the east direction. What is the resultant velocity of the boat?

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

What is the SI unit of resultant velocity?

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

Cotyledons are also called-

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

In mechanics, the study of bodies which are in motion is known as _____.

HARD

Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

Complete the following concept map suitably.

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

What are the other types of motion that take place around you? Enlist.

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

A force of $6 N$ acts on a particle along a direction making an angle of $30 °$ with vertical. Its horizontal component is

MEDIUM

Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

Give one example for each of the following.

Rotational motion
Circular motion
Compound motion.

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

A force of $5 N$ acts on a particle along a direction making an angle of $60 °$ with vertical. Its vertical component is

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

Find the angle between two velocity vectors $\vec{a}$ and $\vec{b}$ and the resultant velocity vector is $\vec{c}$ , such that, $\vec{a} = \vec{b} = \vec{c}$

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

If two velocity vectors $\vec{a}$ and $\vec{b}$ with equal magnitude $v$ and angle between them is $120 °$ then resultant is velocity is

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

The polygon law of velocities is just an extension of ______.

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Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

A force of $6 N$ acts on a particle along a direction making an angle of $45 °$ with vertical. Its horizontal component is

MEDIUM

Mathematics>Statics and Dynamics>Dynamics>Kinematic Equations for Uniform Motion

The table on oscillation prepared by Likitha, Iqbal, and Sonu given below.

Likitha	Iqbal	Sonu
The motion of the membrane across the drum head of a chenda, on beating it.	The motion of the membrane across the drum head of a chenda, on beating it.	The motion of an arrow, shot from a bow.
The motion of a swinging cot.	The motion of a string while playing a veena.	The motion of the prongs of excited tuning fork.
The motion of a giant wheel.	The motion of the prongs of the excited tuning fork.	The motion of a stretched metal wire on strumming it.

What is the main difference between vibration and oscillation?

The triangular law of vector addition and triangular law of velocities are the same.

Important Questions on Dynamics

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