Mechanics Flashcards by Aneurin Quinn Evans

Q

!a!

A

magnitude of force

sqrrt i^2 + j^2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

^a (hat on top of a)

A

1/!a!

1 over magnitude of force

1/ sqrrt i^2 + j^2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

q = (3i +4j) ^q =

A

sqrrt 3^2 + 4^2 =5

1/5q = (0.6i +0.8j)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

distance

A

is the overall distance travelled

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

displacement

A

is the displacement from STARTING POINT only

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Vector

A

magnitude +direction

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Scalar

A

magnitude

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

examples of Vector

A

Displacement, velocity, acceleration

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

examples of scalar

A

distance, speed

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

velocity=

A

displacement/tota time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

velocity time graph

area

A

displacement

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

velocity time graph

gradient

A

acceleration

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

displacement time graph

gradient

A

velocity

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

acceleration time graph

area

A

velocity

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

dsplacement time graoh

to find velocity

A

final displacement/ time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

displacement time graph

speed

A

add up thespeed for each part, divide by all parts

Q

how to find speed with vectors

A

i^2 + j^2 =sped^2