General Physics Questions And Answers, Set 16

 

General Physics Questions And Answers

Q1. 

A vector can be resolved along ______

Answer :  

Only in independent directions

Q2. 

What happens when a vector is multiplied by a scalar?

Answer :  

Its magnitude gets multiplied by that much amount

Q3. 

Which operations is valid?

Answer :  

Vector multiplied by scalar

Q4. 

Two forces act on a ball. One of the forces is positive and acts towards right, the other one acts towards left and is ______

Answer :  

Positive

Q5. 

Two forces act on a body. One of them is 7î – 13ĵ. What is the value of the other force?

Answer :  

7î – 13ĵ

Q6. 

Two bodies moving with constant velocities collide with each other. Which of the following quantities remain conserved?

Answer :  

Momentum

Q7. 

A ball is moving with a constant velocity. After some time, it collides with a wall. Which one of the following remains conserved except momentum?

Answer :  

Energy

Q8. 

When a body collides with a wall or the ground, what assumption do we make?

Answer : 

The mass of the body is negligible as compared to the mass of the wall or the ground

Q9. 

A man and a kid accidentally hit each other. What is true about the forces experienced by them?

Answer :  

They are different in magnitude

Q10. 

People sitting in a moving bus experience a jerk when the bus stops. This is due to _____

Answer :  

Inertia of motion

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