Physics 1: Kinematics and Mechanics Flashcards Preview

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Flashcards in Physics 1: Kinematics and Mechanics Deck (30)
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1
Q

How do you solve a centripetal force problem?

A
2
Q

In uniform circular motion, the acceleration of the object always points where?

A

toward the center of the circular path

3
Q

the lever arm is

A

the shortest distance from the pivot to line of force

4
Q

what formula for Torque do you use when you can find the lever arm quickly

A

τ = l F

(length of lever arm x Force)

5
Q

How do you solve for total displacement?

e.g. you went north 3 miles, west 6 miles and north 5 miles

A

draw a line from start to finish and make a right trangle with it

6
Q

How do you convert to a quantity that is cubed?

A
7
Q

work equation

A

work is Fd (force x dist)

fdcos theta

and Work in = Work out

8
Q

Work-energy theorem

A

Wnet = ΔKE = KEf - KEi

9
Q

Equation for work

A

W = FdcosØ

10
Q

Power (P) =

A

P = W/t

where W= work = change in kinetic energy. So, it’s P=E/t

Also, P = Fv

11
Q
A
12
Q

in space, relationship between frequency and wavelength

A

inverse

13
Q

relationship between object length and wavelength of the light absorbed

A

direct

14
Q

relationship between object length and frequency of vibration

A

Direct

15
Q

in glass, relationship between frequency and wavelength

A

inverse

16
Q

relationship between frequency and energy

A

direct

17
Q

relationship between wavelength and energy

A

inverse

18
Q

relationship between speed of light and energy

A

none

19
Q

relationship between length and pendulum frequency -

A

inverse

20
Q

relationship between pendulum period to mass and amplitude

A

with mass - none

with amplitude - direct

21
Q

relationship between mass and frequency of mass hung from a spring

A

inverse

22
Q

relationship between frequency and wave speed

A

inverse

23
Q

relationship between wave speed and density

A

inverse

24
Q

relationship between wave speed and elasticity

A

direct

25
Q

relationship between object length and wave length -

A

direct

26
Q

relationship between object length and frequency -

A

inverse

27
Q

relationship between wavelength and frequency

A

inverse

28
Q

relationship between wave speed and frequency

A

direct

29
Q

relationship between sound wave travel speed and density of liquid

A

inverse

30
Q
A