Question

151
SECTION 4: MULTIPLE CHOICE
Which of the following part of playscal quantity does not have some dimensional formula?
b Angular momentum und lank somstand
Team and surface tension
d. Impulse and linear moment
2 The man length of an objects 5 cm winch of the following measurement is most accurate
b 4 80 cm
3. Which of the following to express pressure
Forcearca
b. For volume
Energy area
d Energy volume
4 A particle of mass mis given an impulse such that its velocity changes from VI to X2 the impulse is
equal to
mi 2 -v1)
mi 2-v1)
c m 2 -v11)
de v2-v1)
5. Choose the correct answer
A body can be accelerated by frictional force
b There can be zero friction
Kinetic friction is greater than rolling friction
d Frictional force and arca of contact between two surfaces are proportional
STIONS​

Answer 1

Answer:

Frictional force and arca of contact between two surfaces are proportional

STIONS

Answer 2

Answer:

thanks for free point.