8

Question 1

What is a Particle and how is it used in calculations?

Answer 1

M: Dimension of object are negligible
H: Air resistance can be ignored and dimensions can be ignored

Question 2

What is smooth and how can it be used?

Answer 2

No friction and and frictional forces can be ignored

Question 3

What is light?

Answer 3

Has no mass and mass can be ignored

Question 4

What is light string?

Answer 4

String has no mass and tension is equal throughout string

Question 5

what is inextensible string?

Answer 5

String cannot stretch and and acceleration of two particles is equal

Question 6

What is a smooth pulley?

Answer 6

There is no friction at the pulley and the tension on either side is equal

Question 7

if g=9.8?

Answer 7

Use a more accurate value of g

Question 8

If constant resistance?

Answer 8

Have resistance vary with speed

Question 9

If particle?

Answer 9

Consider dimensions of body and take spin of body in to account

Question 10

If smooth?

Answer 10

Take friction into account

Question 11

If light?

Answer 11

Take mass into account