Equations in Physics Chapter 1

Question 1

1 eV = x J?

Answer 1

1.6 x 10^-19

Question 2

Acceleration due to gravity, g?

Answer 2

10 m/s^2

Question 3

Gravitational constant, G?

Answer 3

6.7 x 10^-11 N.m^2/kg^2

Question 4

Universal gravitational equation, Fg? (the force exerted by two objects on each other to attract each other)

Answer 4

Fg = G.m1.m2 / r^2

Question 5

Kinetic friction equation, fk? (when an object is sliding on another)

Answer 5

fk = coeff of kinetic friction . N (normal force)

Question 6

Static friction equation, fs? (when an object rests on another)

Answer 6

0 =

Question 7

Force of gravity on an object, Fg? (weight on the earth)

Answer 7

Fg = m.g

Question 8

Center of mass m, y, z? (where gravity acts on the object)

Answer 8

x = m1.x1 + m2.x2 / m1 + m2

ETC

Question 9

Newton’s first law, Fnet?

Answer 9

Fnet = m.a = 0

Question 10

Newton’s second law, Fnet?

Answer 10

Fnet = m.a

Question 11

Newton’s third law, FAB?

Answer 11

FAB = -FAB

Question 12

Velocity, v (no displacement)?

Answer 12

v = vo +a.t

Question 13

Displacement, v (no final velocity)?

Answer 13

x = vo.t + a.t^2/2

Question 14

Velocity, v (no time)?

Answer 14

v^2 = vo^2 + 2a.x

Question 15

Displacement, x (no acceleration)?

Answer 15

x = v.t

Question 16

Centripetal force, Fc?

Answer 16

Fc = m.v^2/r

Question 17

Torque, t?

Answer 17

t = r.F =r.Fsin (theta)

Question 18

What is the equation for Hooke’s law?

Answer 18

F = -k . delta x