Term 1 Formulars

Question 1

What is Newton’s first law

Answer 1

The law of inertia

Question 2

Newton’s second law

Answer 2

F=ma

Question 3

Newton’s third law

Answer 3

Action and reaction

Question 4

F=ma

Answer 4

Second law

Question 5

Hookes law

Answer 5

F=kx

Question 6

K in hookes law

Answer 6

How easy/hard it is to stretch the spring

Question 7

X in hookes law

Answer 7

The spring extension

Question 8

T=Fd

Answer 8

Torque

Question 9

Acceleration in circular motion

Answer 9

Ac=v^2/r

Question 10

Fc=mv^2/r

Answer 10

Centripetal force

Question 11

Unit of p=mv

Answer 11

Kg.ms

Question 12

Impulse formula

Answer 12

F.t

Question 13

F.t=____=_____

Answer 13

Change in momentum, mv-mu

Question 14

Psystem before =

Answer 14

Psystem after

Question 15

Km/h^-1 To ms^-1

Answer 15

Divid by 3.6

Question 16

5 scalar quantity

Answer 16

Time,speed,mass,weight,pressure,energy

Question 17

5 vector quantities

Answer 17

Velocity,distance,force,momentum,displacement,acceleration

Question 18

What is vector quantity

Answer 18

Magnitude,direction

Question 19

What is Scalar quantity

Answer 19

Just magnitude

Question 20

Different between average speed and velocity

Answer 20

Velocity can have negative distance

Question 21

A=change in velocity/time

Answer 21

Acceleration

Question 22

What is the gradient in a speed graph mean

Answer 22

Velocity

Question 23

What does the gradient in velocity graph mean

Answer 23

Acceleration

Question 24

What does the area in velocity graph mean

Answer 24

Displacement

Question 25

change in y/change in x

Answer 25

Is gradient

Question 26

If you have u,t,a and try to find out s what is the equation

Answer 26

S=ut+1/2at^2

Question 27

First suvat equation

Answer 27

V=u+at

Question 28

What is the equation for v^2

Answer 28

V^2=u^2+2as

Question 29

What is the suvat equation 4

Answer 29

S=1/2(u+v)t

Question 30

Equation 4 of suvat

Answer 30

S=1/2(u+v)t

Question 31

The conversation of momentum in words

Answer 31

The total momentum of a system formed by any number of objects remains constant if there is no external forces acting on the system

Question 32

Energy cannot be created or destroyed but it can be converted from one energy form to another

Answer 32

The conversation of energy law

Question 33

Condition for the conservation law of momentum is

Answer 33

Net force is zero

Question 34

Output/total input

Answer 34

Efficiency

Question 35

Is Ep the same as Ek

Answer 35

True

Question 36

Equation for density

Answer 36

Mass/volume or M/V

Question 37

Density letter

Answer 37

P

Question 38

Unit for density

Answer 38

Kgm^-3 or gcm^-3

Question 39

1/2mv^2=

Answer 39

Ek

Question 40

Ep formula

Answer 40

Ep=Mgh

Question 41

Unit for Ek and Ep

Answer 41

Joules (j)

Question 42

Power unit

Answer 42

Watts

Question 43

P=W/t

Answer 43

Power

Question 44

Work formula

Answer 44

W=fd

Question 45

If the force and displacement is in opposite directions it’s

Answer 45

W=-Fd

Question 46

Units for distance/displacement

Answer 46

Meter,kilometre,yards,miles,feet,light year

Question 47

Units for time

Answer 47

Seconds,hour,years

Question 48

Unit for mass

Answer 48

Kg,g

Question 49

Unit for velocity/speed

Answer 49

Ms^-1 or m/s

Question 50

Unit for acceleration

Answer 50

Ms^-2 or m/s^2

Question 51

Unit for torque

Answer 51

N.m

Question 52

Units for force

Answer 52

N

Question 53

Unit for pressure

Answer 53

Pa,bar,atm,psi

Question 54

Momentum unit

Answer 54

Kgms^-1

Question 55

Velocity is facing _____ in circular motion

Answer 55

Tanget

Question 56

Acceleration in circular motion is facing

Answer 56

To the centre

Question 57

Equilibrium means

Answer 57

Net force is 0

Question 58

Giga=

Answer 58

x10^9

Question 59

Micro=

Answer 59

x10^-6

Question 60

Hector=

Answer 60

x10^2

Question 61

Deci=

Answer 61

x10^-1

Question 62

Deca=

Answer 62

x10

Question 63

Mega=

Answer 63

x10^6

Question 64

Nano=

Answer 64

x10-9

Question 65

Covert 1 nm to km

Answer 65

1/10^-12

Question 66

Covert 1 Gm to m

Answer 66

1x10^9

Question 67

Accuracy in data is

Answer 67

The closer it is the Theoretical value

Question 68

Precision is

Answer 68

The closeness of the data points