3RD QTR REVIEW QUIZ

It is defined as a push or pull that starts, stops or changes the direction of a moving object.

• Motion
• Force
• Energy
• Food

It is a force that opposes motion between two surfaces sticking or touching together.

• Gravity
• Electrical
• Friction
• Magnetic

Which has the greatest frictional force among these surfaces?

• Polished floor
• Tiled floor
• Wet floor
• Sandy floor

Friction is a force that opposes motion. It acts __________ in the direction of a moving object.

• same

• opposite

• upward

• downward

Which of the following statements best describes friction?

• It is a force that occurs when surfaces touch each other.
• It is a force that occurs in smooth surfaces.
• It is a force that occurs between solids and liquids.
• It is a force that occurs only on rough surfaces.

When an object rolls over a surface is produced.

• Fluid friction
• Rolling friction
• Sliding friction
• Static friction

Which of the following statement is true about rolling friction?

• It is produced when an object is at rest.
• It is produced when an object is moving in water.
• It is produced when an object is rolled in a surface.
• It is produced when an object rubs against each other.

Which is an example of an object that can produce rolling friction when rolls over a surface?

• Ball
• Cabinet
• Shoe box
• Table

Riding a bicycle and using of wheelbarrow (kariton) are examples of…

• Fluid friction

• Rolling friction

• Sliding friction

• Static friction

Which of the following shows an example of rolling friction?

• A kite flying.
• A paper boat floating.
• A soccer ball rolling on the ground.
• A picture frame on the table.