Unit 1 - 1D Motion

Question 1

What does x represent

Answer 1

A position along the horizontal axis

Question 2

What does y represent

Answer 2

A position along the vertical axis

Question 3

What is displacement

Answer 3

Movement in a direction

Question 4

What type of quantity is displacement What does this mean

Answer 4

Vector Has both magnitude and direction

Question 5

What is the equation for average velocity

Answer 5

Delta x / Delta t

Question 6

What type of quantity is speed?

Answer 6

A scalar quantity

Question 7

Is average velocity the same as avaerge speed

Answer 7

No,

Since distance travelled is not the same as the displacment

Question 8

Gradient on a position time graph is the same as

Answer 8

Velocity

dx/dt

Question 9

Define acceration

Answer 9

The rate of change in velocity

Question 10

Formula for acceleration

Answer 10

a = delta v / delta t

Chance in velocity over the change in time

Question 11

Area under a velocity time graph represents the …

Answer 11

Distance travelled

Question 12

What is the gradient of a velocity-time graph equal to

Answer 12

The acceleration

dv/dt

Question 13

Give the five SUVAT equations

Answer 13

v = u + at

s = 1/2(v+u)t

s = ut + 1/2 a (t²)

v² = u² + 2as

Question 14

A ball that is thrown will expereince no ………

Answer 14

Horizontal acceleration

BUT will exeperience some vertical accerlation - g - 9.81 ms^-2

Question 15

Sin theta =

Cos theta =

Tan theta =

Answer 15

Opposite/hypo

Adj/hypo

Opp/adj

Question 16

To resolve the vertical component of velocity (v_y)

Answer 16

v_y = V sin theta

Question 17

To resolve the horizontal component of velocity (v_x)

Answer 17

v_x = V cos theta