MCQ Questions for Class 8 Science Chapter 11 Friction with Answers

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All questions answers in the last paragraph

Q1. Static friction is less than

(A) sliding friction
(B) rolling friction
(C) both (A) and (B)
(D) none of these

Q2. The two common forces that are acting everywhere around us are:

(A) gravity and friction
(B) gravity and magnetic force
(C) electrostatic force and gravity
(D) friction and magnetic force

Q3. The easiest way to move a heavy wooden crate is to:

(A) place it on a trolley
(B) tie a rope one end and pull
(C) push it
(D) none of these

Q4. Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play

(A) only if the objects are solid.
(B) only if one of the two objects is liquid.
(C) only if one of the two objects is gaseous.
(D) irrespective of whether the objects are solid, liquid or gaseous.

Q5. Friction can be reduced by using

(A) oil
(B) grease
(C) powder
(D) all of these

Q6. If we apply the force along the right, the friction acts along the:

(A) right direction
(B) left direction
(C) can’t say
(D) none of these

Q7. Talcum powder should not be spilled on the floor of room because:

(A) it will stain the floor
(B) it may cause us to slip and fall
(C) it is messy
(D) none of these

Q8. To sharpen the blade of a knife by rubbing it against a surface, which of the following will be most suitable?

(A) Stone
(B) Plastic block
(C) Wooden block
(D) Glass block

Q9. Friction always

(A) opposes the motion
(B) helps the motion
(C) both (A) and (B)
(D) none of these

Q10. Which of the following is true:

(A) We write on a paper with pen due to friction
(B) A nail is fixed in the wall due to friction
(C) Soles of shoes wear out due of friction
(D) All of these

Q11. Which of the following is true about friction:

(A) Friction can only slow things down
(B) Friction is a force that only occurs when an object moves
(C) Friction is a force that only occurs on rough surfaces
(D) Friction is a force that occurs only between solids

Q12. The shape of an aeroplane is like a

(A) dog
(B) bird
(C) car
(D) all of these

Q13. Which of the following produces least friction?

(A) Sliding friction
(B) Rolling friction
(C) Composite friction
(D) Static friction

Q14. Gymnasts apply some coarse substance on their hands to:

(A) increase friction for better grip
(B) decrease friction
(C) play fast
(D) none of these

Q15. In which of the following friction is troublesome:

(A) sharpening a knife by rubbing it against a stone
(B) applying the brekes to stop a cycle.
(C) walking on a wet road
(D) rubbing the matchstick with the side of matchbox before burning it

We hope the given NCERT MCQ Questions for Class 8 Science PDF Free Download solution will definitely help you to achieve perfect score. If you have any queries related to CBSE Class 8 Science MCQs Multiple Choice Questions with Answers, drop your questions below and will get back to you in no time.

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