Question

can you explain speed, velocity, motion, work and force with examples in simple language ​

Answer 1

Answer:

Speed is the distance traveled per unit of time. It is how fast an object is moving. Speed is the scalar quantity that is the magnitude of the velocity vector. It doesn't have a direction.

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).

In SI base units: m/s

Other units: mph, ft/s

Common symbols: v, v, v→

In physics, motion is the phenomenon in which an object changes its position over time. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, speed, and time. ... As there is no absolute frame of reference, absolute motion cannot be determined.

A force is a push or pull upon an object resulting from the object's interaction with another object. Whenever there is an interaction between two objects, there is a force upon each of the objects.

Answer 2

Speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio.

• Ex : Ariel the Dog runs at 9 km/h (kilometers per hour) is a speed.

velocity is a vector quantity; it is direction-aware. Velocity is the rate at which the position changes.

• ex : he runs 9 km/h Westwards is a velocity. Speed.

Motion is the process of something moving or changing place, or even just changing position. ... However, most movement involves changing the speed of the movement and changing directions

• ex : Wind.
• A ball being thrown.
• Someone running.

Work, in physics, measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement.

• ex : A force must cause a displacement in order for work to be done. A book falls off a table and free falls to the ground. Yes. This is an example of work.

A force is a push or pull upon an object resulting from the object's interaction with another object. Whenever there is an interaction between two objects, there is a force upon each of the objects.....

ex : Some examples of force are:

• Gravitational force
• Electric force
• Magnetic force
• Nuclear force
• Frictional force

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