Physics- Topic 2/ Motion and Forces -Spec 1

Question 1

Scalar vs Vector

Answer 1

Both have magnitude (a size) however, vector quantities have a direction- they can be negative.

Question 2

Vector quantities

Answer 2

Displacement
Velocity
force
acceleration
momentum

Question 3

Scalar quantities

Answer 3

Mass
Distance
Speed
Energy
Time
Current

Question 4

Velocity

Answer 4

Speed in a stated direction

Question 5

Average Speed =

Answer 5

Distance/Time

Question 6

Avg velocity=

Answer 6

displacement/ time

Question 7

x

Answer 7

distance

Question 7

s

Answer 7

displacement or speed

Question 8

v

Answer 8

velocity

Question 9

Walking

Answer 9

1.5m/s

Question 10

running

Answer 10

3m/s

Question 11

cycling

Answer 11

6m/s

Question 12

car

Answer 12

31m/s

Question 13

aeroplane

Answer 13

250m/s

Question 14

Distance time graph gradient

Answer 14

constant speed of the object

Question 15

Distance time graph flat line

Answer 15

stationary

Question 16

Distance time graph curved line

Answer 16

Speeding up or slowing down

Question 17

Acceleration=

Answer 17

Change in velocity/time (s)^2

Question 18

Deceleration and units

Answer 18

When an object’s acceleration is minus units =m/s^2

Question 19

Acceleration with velocity and time

Answer 19

((Final velocity^2)-(Initial velocity^2)m^2))/ Time taken (s)

Question 20

1) A=

Answer 20

(V-U)/T

Question 21

Acceleration, distance, velocity

Answer 21

((Final velocity m/s(^2))-((Initial velocity m/s)(^2)m^2)= 2x acceleration m/s^2 x distance m

Question 22

2) Equation

Answer 22

v^2-u^2=2ax

Question 23

u

Answer 23

Initial velocity

Question 24

Distance time graph axis

Answer 24

y=distance x=time