key terms- definitions, symbols and equations

Question 1

Time- definition, symbol, equation, SI unit, scalar or vector?

Answer 1

Definition- how long it takes for an object to do something

Symbol- t

Equation- t=d/s

SI units= seconds (s)

Scalar

Question 2

Distance- definition, symbol, equation, SI unit, scalar or vector?

Answer 2

Definition- how far an object goes

Symbol- d

Equation d= t x s

SI units= meters (m)

Scalar

Question 3

Displacement- definition, symbol, equation, SI unit, scalar or vector?

Answer 3

definition- shortest distance- how far an object went with distance and direction

Symbol- s

Equation- s= v x t

SI units- m/s

Vector

Question 4

Speed- definition, symbol, equation, SI unit, scalar or vector?

Answer 4

Definition- how fast/ slow an object is going

Symbol- s

Equation- s=d/t

SI units- m/s

Scalar

Question 5

Instantaneous speed- definition, SI unit, scalar or vector?

Answer 5

Definition- the objects speed at a certain point in time

SI units- m/s

scalar

Question 6

Average speed- definition, symbol, equation, SI unit, scalar or vector?

Answer 6

Definiton- average speed

Symbol- s

Equation- total distance/ total speed

SI unit- m/s

scalar

Question 7

Velocity-definition, symbol, equation, SI unit, scalar or vector?

Answer 7

definition- The speed an object is going in a given direction

Symbol- v

Equation- v= s/t

SI unit m/s

vector

Question 8

Acceleration- definition, symbol, equation, SI unit, scalar or vector?

Answer 8

Definition- change in velocity- how much an object speeds up over time

Symbol- a

equation- a=v-u/t

SI units- ms^-2

vector

Question 9

Force- definition, symbol, equation, SI unit, scalar or vector?

Answer 9

force is how much effort is applied to an object

sYMBOL- f

equation- f= a x m

SI units- N

Vector