physic defination

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1. Accuracy: Accuracy is a degree to which

the measurement represents the actual

value.2. Sensitivity: Sensitivity is the ability to

detect small change in a measurement.3. Consistency: Consistency is the ability to

register the same reading when a

measurement is repeated.4. Scalar quantity: he quantity which has

magnitude.!. "ector quantity: he quantity which has

magnitude and direction.#. "elocity: he rate o$ change o$

displacement.%. Acceleration: he rate o$ change o$

velocity.&. 'nertia: he tendency o$ an ob(ect to

maintain it state o$ motion in a straight line.). *omentum: he product o$ mass and

velocity.1+. 'mpulse: he change o$ momentum.

11. 'mpulsive $orce: he rate o$ change o$momentum.

12. ,ree $all: An ob(ect $alling under the $orce

o$ gravity.

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13. -eight: -eight is the gravitational $orce

acting on an ob(ect.14. *ass: he amount o$ matter in an ob(ect.

1!. ,orce: he product o$ mass andacceleration

1#. esultant $orce: he sum o$ all $orces.1%.,rictional $orce: he $orce against the ob(ect.