General Physics Questions And Answers, Set 27

 

General Physics Questions And Answers

Q1. 

Work done in a system is ___

Answer : 

The measure of energy change

Q2. 

The total energy change of a body which covers a vertical height is constituted completely by the potential energy change only when ______

Answer :  

It moves slowly

Q3. 

Energy is _____

Answer : 

The ability to create work

Q4. 

What is the displacement of the centre of the wheel in one rotation? Let the radius of the wheel be R.

Answer :  

2πR

Q5. 

What is the rate of change of angular momentum?

Answer : 

Torque

Q6. 

Which of the following statements is false?

Answer : 

Cross product is commutative

Q7. 

In a projectile motion, a particle breaks due to internal forces. We can say that its total momentum is conserved. True or False?

Answer :  

False

Q8. 

For an object with the centre of mass at the origin, the x-coordinates of particles of the object _____

Answer :  

may be all non-negative

Q9. 

For an object experiencing weightlessness _____

Answer : 

it has inertia

Q10. 

CARTOSAT is a group of geostationary satellites sent up by India.

Answer : 

False

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