A. Substance
B. Metal
C. Alloy
D. No metal

A. Cubic meter
B. Square meter
C. Liter
D. None

A. 40,000km/s
B. 38,0000km/s
C. 30,0000km/s
D. 35,0000kim/s

A. Its mass
B. Its velocity
C. Its Friction
D. Its mass and velocity

A. Centrifugal force
B. Centripetal force
C. Both a & b
D. None of above

A. Rate of constant speed
B. Rate of change of speed
C. Both a+b
D. None of the above

A. Newton
B. Priestly
C. William Harway
D. None of these

A. Law of Motion
B. Law of Inertia
C. Law of gravity
D. None of these

A. Mercury
B. Graphite
C. Cobolt
D. None of the above

A. Kill Bacteria
B. Kill Virus
C. Both a & b
D. None of the above