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29 Cards in this Set

  • Front
  • Back

What Is Work Done?

When a force causes an object to move a certain distance, work is done.


W = F x D

What Is The Unit Of Work Done?

Joules (J).

What Is The Unit Of Distance?

Meter (m).

What Is The Unit Of Force?

Newton (N).

What Is Being Transferred When You Do Any Work?

Energy.

What Is Power?

Power is the work done in given time.

What Is The Unit Of Power?

Watt (W).

What Is The Unit Of Energy?

Joules (J).

What Is The Unit Of Time?

Second (s).

What Is The Unit Of Mass?

Kilogram (kg).

What Is The Unit Of Gravitational Field Strength?

Newton per Kilogram (N/kg).

What Is The Unit Of Change In Height?

Metres (m).

What Is The Unit Of Gravitational Potential Energy (GPE)?

Joules (J).

What Is The Unit Of Time?

Second (s).

What Is The Unit Of Mass?

Kilogram (kg).

What Is The Unit Of Change In Height?

Metres (m).

What Is The Unit Of Gravitational Potential Energy (GPE)?

Joules (J).

What Is The Unit Of Kinetic Energy?

Joules (J).

What Is The Unit Of Velocity?

Metre per second (m/s).

What Is The Unit Of Energy?

Joules (J).

What Is The Unit Of Time?

Second (s).

What Is The Unit Of Mass?

Kilogram (kg).

What Is The Unit Of Gravitational Field Strength?

Newton per Kilogram (N/kg).

What Is The Unit Of Change In Height?

Metres (m).

What Is The Unit Of Gravitational Potential Energy (GPE)?

Joules (J).

What Is The Unit Of Kinetic Energy?

Joules (J).

What Is The Unit Of Velocity?

Metre per second (m/s).

What Is The Unit Of Momentum?

Kilogram meter per second (Kgm/s).

What Is Conservation Of Momentum?

Momentum Before = Momentum After.


- In a closed system the total momentum before an event is equal to total momentum after the event.


- Collisions and explosions are examples of event.