Book Notes

Question 1

SI Units: Force

Answer 1

Newton

kg•m/s²

Question 2

SI Units Work and energy

Answer 2

Joule

kg•m²/s²

Question 3

SI Units: Power

Answer 3

Watt

kg•m²/s³

Question 4

How to calculate the angle of a resultant vactor

Answer 4

ø = tan^-1(Y/X)

Question 5

Which is path independent? Displacement or distance

Answer 5

Displacement

Question 6

The rate of actual distance traveled in a unit of time

Answer 6

speed

Question 7

velocity displacement and time equaiton

Answer 7

v=x/t

Question 8

Equation for the gravitational force beteen two objects

Answer 8

Fg=Gm₁m₂/r²

G=6.7e-11

Question 9

Force that opposes the movement of objects

Answer 9

friction

Question 10

Equation for friction

Answer 10

Friction = coefficient of friction * magnitude of normal force

Question 11

Equation to find weight

Answer 11

Fg=m*g

Question 12

Acceleration equation

Answer 12

ac = ∆v/∆t

Question 13

Terminal velocity

Answer 13

Fg=Fdrag; person travels @ constant velocity

Question 14

inclined plane parallel

Answer 14

Fg=mgsinθ

Question 15

inclined plane perpendicular

Answer 15

Fg=mgcosθ

Question 16

equation for centripetal force

Answer 16

Fc=mv²/r

Question 17

Equation for torque

Answer 17

τ= r*F*sinθ

where r is the length of the lever arm, F is the magnitude of the force, and θ is the angle between the lever arm and force vectors.

Question 18

Velocities acceleration time

Answer 18

v=v₀+at

Question 19

Displacement velocities time acceleration

Answer 19

x=v₀t + [(at²)/(2)]

Question 20

velocities acceleration and displacement

Answer 20

v²=v₀² + 2ax

Question 21

Alpha decay

new A/Z?

Answer 21

lose a helium nucleus (2 protons, 2 neutrons)

A +4

Z+2