class 9 physics genius :-O Quiz
Question Number 1
Which of the folowing is NOT vector quantity?
A. displacement
B. velocity
C. speed
D. acceleration
Question Number 2
The area under the velocity-time graph gives the value of
A. distance travelled
B. velocity
C. acceleration
D. none of these
Question Number 3
The SI unit of force is
A. newton
B. newton per second
C. newton-metre
D. newton per square metre
Question Number 4
Th rate of change of momentum is
A. velocity
B. acceleration
C. force
D. impulse
Question Number 5
In vacuum all freely falling objects
A. have the same speed
B. have the same velocity
C. have the same acceleration
D. have the same force