Physics Equations Highlighted with Units and Scalar/Vector Indication
Explore key physics equations with highlighted quantities, units, symbols, and whether they represent scalar or vector quantities. Gain a deeper understanding of fundamental physics concepts through clear visual representations.
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Presentation Transcript
1 N5 Physics Quantity, Symbol, Unit, Unit Symbol FOR EACH EQUATION NOTE THE QUANTITY HIGHLIGHTED, STATE ITS UNIT AND UNIT SYMBOL AND WHETHER IT IS A SCALAR OR VECTOR QUANTITY. UP TO 4 MARKS PER QUESTION, KEEP YOUR SCORE. HOW MANY CARDS CAN YOU COMPLETE BEFORE MAKING A MISTAKE OR FORGETTING ONE?
2 d as in v=? ? distance metre m /4 scalar
3 s as in v=? ? displacement metre m /4 vector
4 t as in ? =? ? ? Time for the change second s /4 scalar
5 a as in ? =? ? ? Acceleration metres per second squared ms-2 or m/s2 /4 vector
6 v as in ? =? ? ? Final velocity metres per second ms-1 or m/s /4 vector
7 u as in ? =? ? ? Initial/starting velocity metres per second ms-1 or m/s /4 vector
v as in ? =? 8 ? Change in velocity metres per second ms-1 or m/s /4 vector
9 ? as in ? = ?? Average velocity metres per second ms-1 or m/s /4 vector
10 ? as in ? = ?? Average speed metres per second ms-1 or m/s /4 scalar
v as in ? =? 11 ? Change in velocity metres per second ms-1 or m/s /4 vector
12 F as in ? = ?? force Newton N /4 vector
13 m as in ? = ?? mass kilogram kg /4 scalar
14 g as in ? = ?? Acceleration due to gravity/ gravitational field strength metres per second squared/ newtons per kilogram ms-2 or m/s2 or N kg-1 vector /4
15 W as in ? = ?? Weight or (Force of gravity) Newton N Vector /4 Never use gravity alone in an exam
16 Ep as in ??= ?? (gravitational) potential Energy Joule J (must look like a capital) /4 scalar
17 h as in ??= ?? height metre m /4 scalar
18 Ek as in ??=1 2??2 Kinetic Energy Joule J (must look like a capital) /4 scalar
19 v as in ??=1 2??2 speed metres per second ms-1 or m/s /4 scalar
20 Ew or W as in ??= ?? Work done Joule J (must look like a capital) /4 scalar
21 F as in ??= ?? force Newton N /4 vector
22 Q as in ? = ?? charge coloumb C /4 scalar
23 V as in ? = ?? voltage volt V scalar /4
24 I as in ? = ?? current ampere A scalar /4
25 R as in ? = ?? resistance ohm /4 scalar
26 ?? ?? ?? ?? ??= ?? ??+ ?? Voltage across resistor 2 Volt V scalar /4
27 ?? ?? ?? ?? ??= ?? ??+ ?? Resistance of resistor 2 ohm /4 scalar
28 ?? ?? ?? ?? ??= ?? ??+ ?? Supply Voltage Volt V scalar /4
29 ? ? ? ?? ?? ?? ??= ??+ ?? Total Resistance in parallel ohm /4 scalar
30 V1 as in ?1 ?2 ?2 ?1= Voltage across resistor 1 Volt V /4 scalar
31 RT as in ? ? ? ??= ??+ ??+ Total resistance of resistors in parallel ohm /4 scalar
32 RT as in ??= ??+ ??+ Total resistance of resistors in series ohm /4 scalar
33 E as in ? = ?? Energy Joule J (must look like a capital) /4 scalar
34 Q as in ? = ?? charge coloumb C /4 scalar
35 ? ? P as in ? = Power Watt (yes Watt is the unit of power) W scalar /4
36 P as in ? = ?? power Watt (yes Watt is the unit of power!) W /4 scalar
37 I as in ? = ?2? current ampere A scalar /4
3 8 V as in ? =?2 ? voltage Volt V scalar /4
39 EH as in ??= ?? ? Heat Energy Joule J (must look like a capital) /4 scalar
40 c as in ??= ?? ? Specific heat capacity Joules per kilogram per degree Celsius or Joules per kilogram per kelvin J kg-1 C-1 or J kg-1 K-1 scalar /4
41 T as in ??= ?? ? Change in temperature degree Celsius or Kelvin C or K Scalar /4 NB It is a change of temperature a change of 1 K is the same as a change of 1 C
42 EH as in ??= ?? Heat energy required to change the state of a substance Joule J (must look like a capital) scalar /4
43 l as in ??= ?? Specific latent heat Joules per kilogram Jkg-1 or J/kg /4 scalar
44 A as in p = ? ? area square metre m2 Scalar /4 It is incorrect to say metres square or metres squared!
45 A as in p=? ? area Square metre m2 /4 scalar
46 p as in p=? ? pressure Pascal or Newton per square metre Pa /4 scalar
47 p as in ? =? ? Pressure Pascals Pa or (Nm-2) /4 scalar
48 p1 as in ?1?1= ?2?2 Original Pressure Pascals Pa or (Nm-2) /4 scalar
49 T1 as in ?1 ?1=?2 ?2 Original temperature (try to remember to put K in brackets!) ?1 ?2 ?1(?)= ?2(?) Kelvin K scalar /4
50 T as in ?? ?= ???????? temperature Kelvin K /4 scalar
