NCERT Solutions For Class 8 Science Chapter 9 Friction MCQs

NCERT Solutions For Class 8 Science Chapter 9 Friction Multiple Choice Questions

Question 1. Treads are made in the tyres to

1. Increase Friction
2. Decrease Friction
3. Speed Up The Vehicle
4. Speed Down The Vehicle

Answer: 1. Increase Friction

NCERT Solutions for Friction MCQs Class 8

Question 2. In a large commercial complex, there are four ways to reach the main road. One of the paths has loose soil, the second is laid with polished marble and the third is laid with bricks, and the fourth has a gravel surface. It is raining heavily and Paheli wishes to reach the main road. The path on which she is least likely to slip is

1. Loose Soil
2. Bricks
3. Polished Marble
4. Gravel

Answer: 4. Gravel

NCERT Solutions for Class 8 Science Friction MCQs

Question 3. Which of the following statements is Incorrect?

1. Friction acts on a ball rolling along the ground.
2. Friction acts on a boat moving on water.
3. Friction acts on a bicycle moving on a smooth road.
4. Friction does not act on a ball moving through the air.

Answer: 4. Friction does not act on a ball moving through air.

Question 4. Whenever the surfaces in contact tend to move or move to each other, the force of friction comes into play

1. Only if the tire objects are solid
2. Only if one of the two objects is liquid
3. Only if one ofthe two objects is gaseous
4. Irrespective ofwhether the objects are solids, liquids, or gases

Answer: 4. Irrespective of whether the objects are solids, liquids, or gases

NCERT Class 8 Science Chapter 9 Friction MCQs

Question 5. The fish swim easily in the water because they have

1. More energy
2. Streamlined shape
3. Both (1) and (2)
4. None of these

Answer: 2. Streamlined shape

Friction In Daily Life Class 8 Science  Multiple Choice Questions

Question 6. The direction of friction is always

1. Opposes the motion
2. Direction of motion
3. Perpendicular to the motion
4. None of the above

Answer: 1. Opposes the motion

NCERT Solutions for Friction Chapter 9 MCQs

Question 7. Which of the following devices is used to measure the force acting on an object?

1. Spring balance
2. Odometer
3. Both (a) and (b)
4. None of the above

Answer: 1. Spring balance

Question 8. Which of the following does not reduce friction?

1. Streamlined shape
2. Lubricant
3. Sand
4. Oil

Answer: 3. Sand

Friction Class 8 NCERT MCQs

Question 9. The frictional force exerted by fluids is also known as

1. Drag
2. Static Friction
3. Rolling Friction
4. Sliding Friction

Answer: 1. Drag