Basic physics

Question 1

yayaya know ur symbol of units, use the book cuz we still want to learn a new technique

Answer 1

Okay

Question 2

Describe scalar quantity?

Answer 2

Only magnitude e.g. temperature = 20 degrees celsius

Question 3

Describe vector quantity?

Answer 3

Magnitude and direction e.g. velocity = 50 m/s East

Question 4

How do u resolve vectors?

Answer 4

SoH Cah ToA

Question 5

U wanna have the scalars and vectors? come and take it
(pg 6.)

Answer 5

okay

Question 6

Equation for horizonal component?

Answer 6

x = Z Cos ()

Question 7

Equation for vertical component?

Answer 7

y = Z Sin ()

Question 8

Page 10 cuz fr we need a new technique

Answer 8

okay

Question 9

Whats the contact force on a banked slope?

Answer 9

Well it’s on the right angle ig

Question 10

What’s the weight down slope on banked slope?

Answer 10

Hypotenuse

Question 11

How to find w? (weight)

Answer 11

= mg (Mass x Gravity)

Question 12

Equation for p? (density)

Answer 12

= m/v (Mass/Volume)

Question 13

Define C of Mass

Answer 13

The point where total mass of object can be treated as a single point

Question 14

Define C of Gravity

Answer 14

Single point within a body at which entire weight of body may be considered to act

Question 15

Ye mate look at page 18

Answer 15

okay?

Question 16

The condition of CoG & CoM to coincide?

Answer 16

When there’s a uniform gravity present in the region

Question 17

What can cause vehicle to tip over?

Answer 17

When CoG passes point of pivot

Question 18

How to increase size of moment?

Answer 18

Increase force
Increase perpendicular distance between force and pivot

Question 19

Unit of moment?

Answer 19

Nm

Question 20

What principle of moments state?

Answer 20

When in rotational equilibrium, sum of clockwise moments must = sum of anti-clockwise moments

Question 21

What the 2 conditions for a system to be in equilibrium?

Answer 21

No net force
No net moment

Question 22

Define moment of a force?

Answer 22

The turning effect of a force applied to a rotational system at a distance from the axis of rotation

Question 23

Page 29 and onwards are all the questions, i advise u answer basically the homework again off by heart assuming that u did revise everything up until here. But ye take ur time, understand ur shit, technique type shit

Answer 23

okay