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Zorluk: OrtaMeasurement of Mass and Weight

Match each physical quantity or measuring instrument related to mass and weight in Column A with its corresponding physical property or operational principle in Column B.

  • Beam balanceCompares gravitational forces using the principle of moments to determine mass independently of local gravity
  • Spring balanceMeasures gravitational pull directly based on Hooke's law and depends on local acceleration due to gravity
  • MassAn intrinsic scalar quantity measured in kilograms (kg\text{kg}) that remains constant regardless of location
  • WeightA downward vector quantity measured in newtons (N\text{N}) that varies with gravitational field strength

Cevap

Beam balance matches with comparing gravitational forces using the principle of moments; Spring balance matches with measuring gravitational pull directly based on Hooke's law; Mass matches with an intrinsic scalar quantity measured in kilograms; Weight matches with a downward vector quantity measured in newtons.
Beam balances measure mass via the principle of moments independently of gravitational variation. Spring balances measure weight force using spring extension under Hooke's law. Mass is a constant scalar quantity measured in kilograms, while weight is a variable vector force measured in newtons.

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1
Identify the working principles of mass and weight measuring instruments.
The beam balance uses equal arms to balance moments (m1gL=m2gLm_1 g L = m_2 g L), canceling gg, so it measures invariant mass. The spring balance measures the force pulling a spring (F=kx=mgF = kx = mg), depending directly on local gg.
Instrument operation dictates whether mass or weight is measured.
2
Distinguish between the physical properties of mass and weight.
Mass is a scalar measure of quantity of matter (SI unit: kg\text{kg}) and is constant. Weight is the gravitational force acting on mass (SI unit: N\text{N}) and is a vector quantity.
Fundamental physical definitions set the units and vector/scalar characteristics of mass versus weight.

Anahtar Kavram

Operating principles of balances and fundamental properties distinguishing mass from weight.
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Konular

Measurement of Mass and Weight

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