General Physics Questions And Answers, Set 11

 

General Physics Questions And Answers


Q1. 
What happens to the average velocity when a body falls under gravity with terminal velocity?

Answer : 
It remains constant


Q2. 
A person is standing at -2 location on the number line. He runs to and fro from -2 to +5 location 5 times. How much distance has he covered if he comes back to -2 location at the end?

Answer : 
35 units


Q3. 
How many variables are required to define the position of a body in space?

Answer : 
3


Q4. 
Which types of motion cannot describe the motion of a clock’s hands?

Answer :  
Rectilinear


Q5. 
What is the rate of change of rate of change of displacement of a body?

Answer : 
Acceleration


Q6. 
Which devices acts on the principle of circular motion?

Answer :  
Centrifuge


Q7. 
Which is an example of uniformly accelerated motion in a plane?

Answer : 
Motion of a particle in a plane


Q8. 
Which is not true about projectile motion?

Answer : 
It is an example of motion in a plane


Q9. 
Unit vector along the vector 4î + 3ĵ is _____

Answer :  
(4î + 3ĵ)/5


Q10. 
A vector, 14 units from the origin, along the X axis, is added to vector 16 units from the origin along the Z axis. What is the resultant vector?

Answer :  
14î + 16z^


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