Physics

Work formula

Fd

Fdcos∅

Fh

F=force, d=displacement,h=height

Formula of force?

Mass×acceleration

Newton=

kg×m/s²

Joules=

Newton×meter or kg×m²/s²

1 J is equal to how many ergs?

10^7ergs

Ergs is equal to?

Dyne×cm

1N is equal to how many dynes?

10⁵dynes

What is the meaning of CGS?

Centimetre-Gram-Second System of Units

CGS is equal to?

Erg=dyne×cm

Meaning of lbf?

Pound force

English=

Lbf×ft

Formula of work in terms of spring?

(1/2)kx²

K=spring constant

x²=displacement

Formula of potential energy?

(m)(g/gc)(h)

Formula of Kinetic Energy?

(1/2)(mv²)/(gc)

1BTU(British Thermal Unit) is equal to what in calorie?

252 cal

1BTU(British Thermal Unit) is equal to what in J?

1054.4J

1BTU(British Thermal Unit) is equal to what in ft-lbf(foot pound)?

778ft-lbf

1BTU(British Thermal Unit) is equal to what in l-atm?

10.409L-atm

1cal is equal to how many in joules?

4.184J

what is g equal to in metric?

9.81m/s²

What is g equal to in English unit?

32.174 ft/s²

What is gc equal to in metric unit?

1(kg×m)/(N×s²)

What is gc equal to in English unit?

32.174 (ft-lbm)/(lbf-s²)

In metric unit what is g/gc?

9.81N/kg

What is g/gc equal to in English unit?

1(lbf)/(lbm)