(A) ∑F=0
(B) ∑F=2
(C) ∑F2=0
(D) None of the above
Racing cars are made stable by?
(A) Decreasing their mass
(B) Increasing their speed
(C) Lowering their center of gravity
(D) Decreasing their width
All the freely falling objects have the same acceleration. This was located by which of the following first?
(A) Pascal
(B) Newton
(C) Galileo
(D) Kelvin
Change in position is called?
(A) Velocity
(B) Displacement
(C) Distance
(D) Speed
1 micrometer is equal to?
(A) 103m
(B) 10-9m
(C) 10-3m
(D) 10-6m
What is the lighest metal?
(A) Aluminium
(B) Lead
(C) Mercury
(D) Copper
The kinetic energy of a body of mass 2 kg is 25 Joule. Its speed will be?
(A) 5 ms-1
(B) 12.5 ms-1
(C) 25 ms-1
(D) 50 ms-1
GPS Global Positioning System consists of how many satellites?
(A) 20
(B) 22
(C) 24
(D) 26