Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Module 2 - physics > Kinetics > Flashcards

Kinetics Flashcards

You may prefer our related Brainscape-certified flashcards:
Physics 101 flashcards AP® Physics flashcards
1
Q

Equation for distance

A

Average speed x time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Five equations of motion

A 
V = u + at
S = (u + v) t / 2
S = Ut + 1/2 at2
V2 = u2 + 2as
H = Ut + 1/2 gt2
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Define acceleration

A

Change in speed over time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the number for gravity

A

9.81

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is centripetal force?

A

When the acceleration is going in the same direction as the force.
Constant change in direction, constant acceleration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Formula for centripetal force?

A

Mass x Velocity2 / Radius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Formula for centripetal acceleration

A

Velocity squared / radius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is vibration

A

Mechanical oscillations about an equilibrium point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is free vibration.

A

A mechanical system set off with an original input then allowed to vibrate freely

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is forced vibration

A

Alternating force is applied to a mechanical system.

E.g washing machine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is resonance

A

The tendency of a system to oscillate at maximum amplitude at a certain frequency.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is velocity ratio?

A

Mechanical advantage. The ratio of effort for loading movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the equation for velocity ratio.

A

Distance moved by effort / distance moved by load

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How is mechanical advantage calculated ?

A

Resistance / Effort

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the two types of mechanical advantage

A

Actual mechanical advantage

Ideal mechanical advantage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is actual mechanical advantage

A

Ratio of output force to input force.

Fo / F1

17
Q

What is ideal mechanical advantage

A

Would exist if there was no friction in the machine.
D1/ Do
Ratio of input distance to output distance

18
Q

Formula for work

A

Work = f x d

19
Q

Example of class 1 lever

A

Seesaw

20
Q

Example of class 2 lever

A

Wheelbarrow

21
Q

Difference between class 1 and class 2 lever

A

The resistance and effort on class 2 move in the same direction

22
Q

Example of class 3 lever

A

Aircraft landing gear

23
Q

What are inclined planes

A

Another way to gain mechanical advantage.

E.g ramp

24
Q

What are spur gears

A

Used to connect two parallel shafts

25
Q

What are bevel gears

A

When the drive shaft and rivet shaft are not parallel

26
Q

What are worm gears

A

Needed when an extreme amount of mechanical advantage is needed. Spiral ridge around a shaft for the drive gear.

27
Q

What are planetary gear systems

A

Reduce the propeller shaft speed on mor powerful aircraft engines.

28
Q

How do we calculate efficiency

A

Using mechanical advantage.

Work output / work input x 100%

Module 2 - physics (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions