Types of friction

Which type of friction is shown in the picture?

• rolling

• fluid

• static

• sliding

Which type of friction is shown in the picture?

• fluid

• static

• rolling

• sliding

Which type of friction is shown in the picture?

• rolling

• static

• fluid

• sliding

Rolling friction is smaller than

• Sliding friction

• Static friction

• Fluid friction

• All of the above

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

• only if one of the two objects is liquid

• only if the objects are solid

• only if one of the two objects is gas

• Irrespective of whether the objects are solid,liquid or gas.

The shape of an aeroplane is like a _______ to reduce the friction exerted by air.

• Tortoise

• Dog

• Cat

• Bird

Friction produced due to fluids is called

• Sliding Fiction

• Rolling friction

• Static friction

• Drag

Force of friction depends on

• smoothness of surface

• area of contact of 2 objects

• inclination of surface

• All of these

Which is a/ are streamlined object?

• Aeroplane

• Boat

• Ship

• All the above

In the given figure, a boy is shown pushing the box from right to left. The force of friction will act on the box

• From right to left

• From left to right

• Vertically downwards

• Vertically upwards