What is force? what is weight? what is speed? what is velocity? what is acceleration? what is ? what is energy? what is power?
Answers
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- pull or push is called force
- rate of change of displacement with respect to time called velocity
- rate of change of velocity called acceleration.
- the capacity to do work called energy.
- power is the ratio of work is to time .
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Answer:
FORCE: Force is the push or pull on an object with mass that causes it to change velocity
WEIGHT: Weight is how heavy something is or how much mass it has.
SPEED: Speed is the distance traveled per unit of time. It is how fast an object is moving.
VELOCITY:In physics, velocity specifically refers to the measurement of the rate and direction of change in position of an object. It is a vector quantity that specifies both the speed of a body and its direction of motion.
ACCELERATION:In physics or physical science, acceleration (symbol: a) is defined as the rate of change (or derivative with respect to time) of velocity. It is thus a vector quantity with dimension length/time². In SI units, acceleration is measured in meters/second² using an accelerometer.
ENERGY:The capacity or power to do work, such as the capacity to move an object (of a given mass) by the application of force. Energy can exist in a variety of forms, such as electrical, mechanical, chemical, thermal, or nuclear, and can be transformed from one form to another.
POWER:In physics, power is the rate of doing work or of transferring heat, i.e. the amount of energy transferred or converted per unit time. Having no direction, it is a scalar quantity.