The centripetal acceleration is denoted by……
a) ar
b) ac
c) acircular
d) none of these
The centripetal acceleration is equal to . . . . .
a) v2/r
b) –v2/r
c) –v/r
d) –v/r2
The force which compels a body to move in circular path is called . . . . . force.
a) constant
b) centrifugal
c) centripetal
d) circular
Fc = . . . . . .
a) mac
b) mv/r2
c) –mv2/r
A device that is used to separate substances suspended in a liquid by spinning a sample of liquid very quickly around an axle, is known as
a) centrifuge
b) torsion balance
c) CRO
d) none of these
Separator and washing machines drier are examples of . . . . .
a) CRO
b) torsion balance
c) simple machines
d) centrifugal device
