Scalars and vectors

Question 1

Definition of scalar

Answer 1

only magnitude, not direction.

Question 2

Definition of a vector

Answer 2

direction as well as magnitude.

Question 3

Scalar quantities

Answer 3

Distance , time, speed

Question 4

Vector quantitites

Answer 4

Velocity, displacement , acceleration , mass, force

Question 5

Formula for resultant force

Answer 5

Pythagoras

Question 6

Formula for velocity

Answer 6

V= s/t

Question 7

Formula for speed

Answer 7

V=s/t

Question 8

Formula for distance

Answer 8

D=v/t

Question 9

Formula for time

Answer 9

T= d/v

Question 10

How do you find displacement from a vt graph

Answer 10

Area under the graph.

Question 11

Definition of acceleration

Answer 11

change of velocity per unit of time.

Question 12

Acceleration formula

Answer 12

A=v-u/t

Question 13

Final velocity formula

Answer 13

V= u+at

Question 14

What is acceleration on a vt graph

Answer 14

The gradient ( steepness)

Question 15

Formula to solve force mass and acceleration

Answer 15

F=ma

Question 16

Appropriate relationship to solve weight mass and gravitational field strength

Answer 16

W=mg

Question 17

Appropriate relationship for work done, unbalanced forge and distance/displacement

Answer 17

Ep =mgh

Question 18

Relationship to solve kinetic energy

Answer 18

Ek=1/2mv2

Question 19

How to solve problems involving conservation of energy

Answer 19

Ew = Fd

Question 20

How to solve horizontal range

Answer 20

Area under vt graph

Question 21

How to solve vertical height

Answer 21

Area under vt graph

Question 22

How to solve constant horizontal velocity

Answer 22

Vh =s/t

Question 23

How to solve constant vertical acceleration

Answer 23

Vv=uv +at