Work - Energy - Power by Leanne De La Cruz https://padlet.com/ldela433/pu00udvnx2n9dinv n/a en-us 2021-11-15 03:44:33 UTC 2025-12-14 16:34:00 UTC hello@padlet.com Definition ldela433 https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923090079 The force applied against a resistance multiplied by the displacement in the direction of that force ]]> 2021-12-01 15:37:54 UTC https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923090079 Formula ldela433 https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923095505 W = F x d 

Units: Joules (J)]]> 2021-12-01 15:40:07 UTC https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923095505 What 3 things do we need to determine work? ldela433 https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923099211 - force exerted on the object 
- direction of the force 
- displacement of the object along the line of action of the force during the time the force acts on the object]]> 2021-12-01 15:41:33 UTC https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923099211 Positive Work ldela433 https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923102687 - can be done when the object moves in the same direction that the force is working on it 

Examples: weightlifters raising weight, gymnast pulling up towards the bar, high jumper jumping off the ground]]> 2021-12-01 15:42:55 UTC https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923102687 Negative work ldela433 https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923104936 Definition: object moves in a direction opposite to the force acting on it 
Examples: eccentric contraction, gymnast landing from a dismount, weightlifter lowering a weight]]> 2021-12-01 15:43:47 UTC https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923104936 Definition ldela433 https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923108373 The rate of doing work 
How much mechanical work is performed in a given time]]> 2021-12-01 15:45:05 UTC https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923108373 Formula ldela433 https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923110495 P = Work/change in time

Units: Watts (W)]]> 2021-12-01 15:45:46 UTC https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923110495 Definition ldela433 https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923112019 Defined as the capacity or ability to do work 

Examples: light, heat, nuclear, electrical, mechanical ]]> 2021-12-01 15:46:22 UTC https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923112019 Kinetic vs Potential ldela433 https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923112882 Kinetic Energy - energy resulting from linear motion 
  • Dramatically affected by velocity, if velocity is zero kinetic energy is zero 
  • Formula : KE=1/2mv2 
  • Units: Joules (J) 
Potential Energy - energy that contributes to the capacity to do work based on a body’s position 
  • Related to the object’s weight and height above the ground 
  • Formula: Wt x h OR mag x h
  • Units: Joules (J)

]]> 2021-12-01 15:46:43 UTC https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923112882 Strain or Elastic Energy ldela433 https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923132485 - a form of potential energy 
- potential energy is converted to kinetic energy ]]> 2021-12-01 15:54:32 UTC https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923132485 Definition ldela433 https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923139792 - when gravity is the only force acting on a body, the mechanical energy remains constant 
- only occurs in human movement when the object is a projectile and we neglect air resistance ]]> 2021-12-01 15:57:22 UTC https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923139792 Definition ldela433 https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923143944 The work of a force is equal to the change in energy that it produces in the object acted on
- the work done by the external forces causes a change in energy of the object 

W= Change in energy 
W = KE + PE 
W = (1/2mv2) + (mag x h)]]> 2021-12-01 15:58:53 UTC https://padlet.com/ldela433/pu00udvnx2n9dinv/wish/1923143944