Properties of Friction

This is an MCQ-based quiz on the topic of Friction.

It covers the topics like Sliding friction, Rolling friction, Composite friction, Static friction, and many more.

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Which of the following is true about friction:

Friction can only slow things down Friction is a force that only occurs when an object moves Friction is a force that only occurs on rough surfaces Friction is a force that occurs only between solids

Which of the following is true:

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

Which of the following has least friction:

Rolling friction Static friction Sliding friction None of these

This type of friction is the most powerful of all types of frictions:

Static Rolling Sliding Drag

To convert the static, sliding friction into rolling friction, the heavy luggage carriers are attached with at their base.

Ball-bearings Chains Tyres Wheels

Friction is

Foe Friend Both (a) and (b) None of these

Which of the following is not a smooth surface?

Surface of wet soap Surface of tyres Glazed tiles Surface of mirror

Which is a streamlined object?

Boats Aeroplanes Ships All of these

Which of the following is responsible for wearing out of bicycle tyres?

Muscular force Magnetic force Frictional force Electrostatic force

A matchstick struck on a matchbox catches fire easily because

Friction may cause fire Of chemical reaction Force heated the match stick None of the above

The friction between two surfaces does not depend on one of the following. This one is:

Amount of surface area of the two objects which is in contact with each other Weight of the object which tends to move on the surface of other object Degree of smoothness of surfaces of two objects in contact with each other Degree of roughness of surfaces of two objects in contact with each other

A big wooden box is being pushed on the ground from east to west direction. The force of friction due to ground will act on this box towards:

North direction South direction East direction West direction

A boy runs his toy car on dry marble floor, wet marble floor, newspaper and towel spread on the floor. The force of friction acting on the car on different surfaces in increasing order will be:

Wet marble floor, Dry marble floor, Newspaper, Towel Newspaper, Towel, Dry marble floor, Wet marble floor Towel, Newspaper, Dry marble floor, Wet marble floor Wet marble floor, Dry marble floor, Towel, Newspaper

Friction can be reduced by using

Oil Grease Powder All of these

Friction is a

Non-contact force Contact force Magnetic force Electrostatic force

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

Only if the objects are solid. Only if one of the two objects is liquid. Only if one of the two objects is gaseous. Irrespective of whether the objects are solid, liquid or gaseous.

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

Stone Plastic block Wooden block Glass block

A toy car released with the same initial speed will travel farthest on:

Muddy Polished marble surface Cemented surface Brick surface

Four children were asked to arrange forces due to rolling, static and sliding friction in a decreasing order. The correct arrangement is:

Rolling, Static, Sliding Rolling, Sliding, Static Static, Sliding, Rolling Sliding, Static, Rolling

Lubricants are substances which

Increase friction Are used to light fire Reduce friction Are used to put out a fire

Quiz/Test Summary

Title: Properties of Friction

Questions: 20

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