https://padlet.com/lizellexs/nllpmuoe62wb en-us 2019-03-10 21:34:56 UTC 2025-09-03 07:15:22 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Rocket.png lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/339743981 2019-03-10 21:36:02 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/339743981 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/339745305 NO.
The force applied on the tray is vertically upwards to overcome the force of gravity on the tray, and there is no part (component) of that force that acts in the same direction as the displacement horizontally. ]]> 2019-03-10 21:47:04 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/339745305 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/339747454 2019-03-10 22:03:21 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/339747454 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/339748831 Def:
Work done by a net force on an object is equal to the change in its kinetic energy.

W_net = ΔE_k]]> 2019-03-10 22:16:08 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/339748831 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/339750347 2019-03-10 22:28:41 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/339750347 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/339751150

When is W positive?

When is W negative?

]]> 2019-03-10 22:33:01 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/339751150 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/339752848 2019-03-10 22:43:00 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/339752848 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/340000480 Answers p. 13-16]]> 2019-03-11 15:10:21 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/340000480 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/340318271 Principle of Conservation of Mechanical Energy states:
In the absence of external forces, the total mechanical energy in a system is CONSTANT.

Def for mechanical energy:
Mechanical energy is the sum of gravitational potential energy and kinetic energy at a point.]]> 2019-03-12 10:05:08 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/340318271 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/340319263 E_mech of a Roller Coaster Ride]]> 2019-03-12 10:08:25 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/340319263 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/340321009 Law of conservation of Energy]]> 2019-03-12 10:13:34 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/340321009 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/340322023 2019-03-12 10:16:53 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/340322023 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/340323983 Answers p.19-43 NOTES]]> 2019-03-12 10:22:42 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/340323983 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/346002274 Answers Power]]> 2019-03-28 07:12:28 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/346002274 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/347034494 2019-04-01 06:27:56 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/347034494 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/348042373 2019-04-03 13:02:53 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/348042373 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/348043376 2019-04-03 13:04:45 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/348043376 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/447921483 2020-02-20 09:17:24 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/447921483 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/447921484 2020-02-20 09:17:25 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/447921484 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/447921485 2020-02-20 09:17:25 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/447921485 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/447921487 2020-02-20 09:17:25 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/447921487 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/647488539 2020-07-04 20:55:56 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/647488539 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657389461 ENERGY = THE ABILITY TO DO WORK
WORK = ENERGY TRANSFERRED]]> 2020-07-18 10:08:28 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657389461 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657391537 2020-07-18 10:24:15 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657391537 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392501 2020-07-18 10:31:25 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392501 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392502 2020-07-18 10:31:25 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392502 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392503 2020-07-18 10:31:25 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392503 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392504 2020-07-18 10:31:26 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392504 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392511 2020-07-18 10:31:27 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392511 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392512 2020-07-18 10:31:27 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392512 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392513 Product of force parallel to movement and the displacement of a body]]> 2020-07-18 10:31:27 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392513 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392514 2020-07-18 10:31:27 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392514 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392515 2020-07-18 10:31:27 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657392515 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657395096 2020-07-18 10:48:50 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657395096 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657406604 2020-07-18 12:05:42 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657406604 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657407859 2020-07-18 12:12:50 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657407859 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657680393 2020-07-19 07:38:58 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657680393 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/657685202 2020-07-19 08:02:36 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/657685202 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/3313514481 2025-02-03 11:51:25 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/3313514481 lizellexs https://padlet.com/lizellexs/nllpmuoe62wb/wish/3566489745 2025-09-03 07:15:53 UTC https://padlet.com/lizellexs/nllpmuoe62wb/wish/3566489745