professor-curious-logo
professor-curious-logo
  1. AP Physics 1
FlashcardFlashcard
Study GuideStudy GuideQuestion BankQuestion BankGlossaryGlossary

What is the definition of Work?

Work is the process of transferring energy into or out of a system by applying a force over a distance.

Flip to see [answer/question]
Flip to see [answer/question]
Revise later
SpaceTo flip
If confident

All Flashcards

What is the definition of Work?

Work is the process of transferring energy into or out of a system by applying a force over a distance.

What is the definition of Kinetic Energy?

Energy an object possesses due to its motion.

What is the definition of Gravitational Potential Energy?

Energy stored in an object due to its position in a gravitational field.

What is the definition of Elastic Potential Energy?

Energy stored in a spring or other elastic material when it's stretched or compressed.

What is the definition of Thermal Energy?

Energy associated with the random motion of atoms and molecules within a system, often appearing as heat or sound.

What are the steps to derive kinetic energy from work?

  1. Start with Work: W=FdW = FdW=Fd 2. Newton's Second Law: F=maF = maF=ma 3. Kinematics: vf2=vi2+2adv_f^2 = v_i^2 + 2advf2​=vi2​+2ad which can be rearranged to a = rac{v_f^2 - v_i^2}{2d} 4. Substitute: W = mad = m( rac{v_f^2 - v_i^2}{2d})d = rac{1}{2}mv_f^2 - rac{1}{2}mv_i^2 = ΔK

How is kinetic energy derived from work?

  1. Start with Work: W=FdW = FdW=Fd 2. Newton's Second Law: F=maF = maF=ma 3. Kinematics: vf2=vi2+2adv_f^2 = v_i^2 + 2advf2​=vi2​+2ad which can be rearranged to a=vf2−vi22da = \frac{v_f^2 - v_i^2}{2d}a=2dvf2​−vi2​​ 4. Substitute: W=mad=m(vf2−vi22d)d=12mvf2−12mvi2=ΔKW = mad = m(\frac{v_f^2 - v_i^2}{2d})d = \frac{1}{2}mv_f^2 - \frac{1}{2}mv_i^2 = ΔKW=mad=m(2dvf2​−vi2​​)d=21​mvf2​−21​mvi2​=ΔK