Frictional Force Science 6

Frictional Force Science 6

Q3W1​

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Multiple Choice

A frictional force is the force generated when ____________________________________.

• no surfaces are in contact

• two surfaces are in contact

• three surfaces are in contact

• four surfaces are in contact

Multiple Choice

Smoother surfaces have ______________.

• less frictional force

• more frictional force

• no frictional force

• the same level of frictional force

Multiple Choice

What are 2 factors that determine the amount of frictional force between 2 objects?

• Shape and size of the object

• Mass and size of the object

• Types of surface and mass of object

• Types of surface and shape of the object

Multiple Choice

The picture above shows a boy pushing

a wooden box. How can he move the box

more easily?

• Using wooden rollers.

• Make the floor surface rougher.

• Create a pattern on the surface of the box.

• Ensure the surface of the box is clean.

Multiple Choice

The use of rollers and wheels ______________

the excessive frictional force and make objects move easily.

• reduce

• increase

• reuses

• enlarge

Multiple Choice

The smoother the surface, the faster an object will travel over the surface.

• True

• False

Multiple Choice

Which of the following is an advantage of frictional force?

• Produces heat

• Hold an object

• Sharpens tools

• All of the above examples are correct

Multiple Choice

Which would NOT be a way of reducing frictional force?

• Making the surfaces smoother

• Using lubricants such as waxes, oils, or grease

• Using anti-slip mat

• Using rollers and ball bearings

​FOUR PICS ONE WORD

Multiple Choice

A frictional force is the force generated when ____________________________________.

• no surfaces are in contact

• two surfaces are in contact

• three surfaces are in contact

• four surfaces are in contact

Multiple Choice

Smoother surfaces have ______________.

• less frictional force

• more frictional force

• no frictional force

• the same level of frictional force

Multiple Choice

What are 2 factors that determine the amount of frictional force between 2 objects?

• Shape and size of the object

• Mass and size of the object

• Types of surface and mass of object

• Types of surface and shape of the object

Multiple Choice

The picture above shows a boy pushing

a wooden box. How can he move the box

more easily?

• Using wooden rollers.

• Make the floor surface rougher.

• Create a pattern on the surface of the box.

• Ensure the surface of the box is clean.

Multiple Choice

The use of rollers and wheels ______________

the excessive frictional force and make objects move easily.

• reduce

• increase

• reuses

• enlarge

Multiple Choice

Who will experience less frictional force?

• A

• B

Multiple Choice

The smoother the surface, the faster an object will travel over the surface.

• True

• False

Multiple Choice

Which of the following answers is the most scientific answer for the question:

What is frictional force?

• The random force between two solids, liquids, or gases.

• The universal force of attraction acting between all matters.

• The force generated when two surfaces are in contact.

• A pull or a push that acts upon an object.

Multiple Choice

Which would NOT be a way of reducing frictional force?

• Making the surfaces smoother

• Using lubricants such as waxes, oils, or grease

• Using anti-slip mat

• Using rollers and ball bearings

Multiple Choice

Rougher surfaces have _______________________.

• no frictional force

• the same level of frictional force

• less frictional force

• more frictional force

Multiple Choice

The type of force that opposes motion is called ___________________.

• magnetism force

• frictional force

• gravitational force

• electrical force

Multiple Choice

By looking at the picture, what is the best conclusion?

• The frictional force is in the same direction as the moving object.

• The frictional force is a push and a pull that acts upon an object.

• The frictional force does not exist in this situation.

• The frictional force is opposite to the direction of the moving object.