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Class 8th // Physics // chapter - Force //Objective Questions & Answers// (English medium)

 

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 Question 1.The pressure which is exerted by air around us is known as





Answer= (B) atmospheric pressure  

 Question 2.Force acting on per unit area is called





Answer= (D) pressure  

 Question 3. A ___________ exerted by an object on another is a force





Answer= (A) Push or pull  

 Question 4. The force exerted by the earth to pull the object towards itself is called





Answer= (B) gravitational force  

 Question 5. Muscular force is also called ___________ force





Answer= (B) contact  

 Question 6. The force exerted by a charged body on another charge body is called





Answer= (B) electrostatic force  

 Question 7. Force changes the





Answer= (D) all of these  

 

Question 8. The force exerted by our muscle is called





Answer= (B) muscular force  

 Question 9. 1 kilogram weight is equal to





Answer= (B) 9.8 N  

 Question 10. A spring balance is used for measuring





Answer= (B) weight  

 Question 11. Two boys A and B are applying force on a block. If the block moves towards the boy A, which one of the following statements is correct?





Answer= (B) Magnitude of force applied by A is smaller than that of B.  

 Question 12. When two forces act in opposite directions, then net force acting is the





Answer= (B) difference between two forces 

 Question 13. The strength of force is expressed by its





Answer= (C) magnitude  

 Question 14. Leaves fall down on the ground due to





Answer= (C) gravitational force 

 Question 15. State of motion is described by.........





Answer= (C) Both by the state of rest or motion  
 
 
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