Question

definition of velocity , speed, work,power, pressure, force,acceleration, mass,time,length,distance (n give mks / cgs/si definition) plzzzz don't copy from Google,guide or reference make the definition by ur own mind plz give the immediately ​

Answer 1

Answer:

• 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).
• the speed of an object is the magnitude of the change of its position; it is thus a scalar quantity.[The average speed of an object in an interval of time is the distance travelled by the object divided by the duration of the interval; the instantaneous speed is the limit of the average speed as the duration of the time interval approaches zero.
• In physics, work is the energy transferred to or from an object via the application of force along a displacement. In its simplest form, it is often represented as the product of force and displacement.
• In social science and politics, power is the capacity of an individual to influence the actions, beliefs, or conduct of others. The term authority is often used for power that is perceived as legitimate by the social structure
• Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. ... Pressure may also be expressed in terms of standard atmospheric pressure; the atmosphere (atm) is equal to this pressure, and the torr is defined as 1⁄760 of this.
• fulling or pushing of an object is called force
• Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.
• Mass, in physics, quantitative measure of inertia, a fundamental property of all matter. ... It is, in effect, the resistance that a body of matter offers to a change in its speed or position upon the application of a force. The greater the mass of a body, the smaller the change produced by an applied force.
• Time is the indefinite continued progress of existence and events that occur in an apparently irreversible succession from the past, through the present, into the future. ... Time is often referred to as a fourth dimension, along with three spatial dimensions.
• Length can be defined as a measurement of the physical quantity of distance. Many qualitative observations fundamental to physics are commonly described using the measurement of length. ... The basic unit of length as identified by the International System of Units (SI) is the meter.
• Distance is a numerical measurement of how far apart objects or points are. In physics or everyday usage, distance may refer to a physical length or an estimation based on other criteria. The distance from a point A to a point B is sometimes denoted as.

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