Question

Define the following:
i) Velocity.
ii) Acceleration.
iii) Joule.
iv) Gravitation.
v) Balanced Force.
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Answer 1

Answer:

velocity: The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion (e.g. 60 km/h to the north). Velocity is a fundamental concept in kinematics, the branch of classical mechanics that describes the motion of bodies.

Velocity

Answer 2

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Velocity -

• The Speed at which something moves in a particular direction is known as Velocity. Velocity is a Vector Quantity. The SI unit of Velocity is m/s

Acceleration -

• The rate of change of velocity is known as Acceleration. It is a Vector Quantity. The SI unit of Acceleration is m/s². There are 2 types of Acceleration, i) Negative Acceleration and ii) Positive Acceleration.

Joule -

• Joule is the SI unit of Work Done. Joule is the product of 2 quantities. Joule is calculated as Force × Displacement.

Gravitation -

(Sry I don't know this definition. But I have copied from Google)

Google says -

• The Universal force of attraction between any 2 bodies, acting between all matter is known as Gravity of just Gravitation. Gravity is measured by the acceleration that it gives to the freely falling objects.

(I have took 3rd website from Google, to ensure that if any other guy does a Google search, his\her answer will not be same as yours)

Balanced Force -

• The equal amount of force on both the sides of the objects, is known as Balanced Force. These forces are opposite and cancel to each other.
• The best example for balanced force is a game of tug of war. Where 2 teams apply force in opposite directions almost equal and cancelling each other.

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