Open Scied 8.1 Science

Which of the following is the S.I. unit for force?

• Newton

• Kilogram

• Watt

• Joule

Which of the following statement is true about force?

• A student laughing loudly

• Pushing or pulling of an object

• Students singing the school song

• Balancing an object on the hand

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

Which of the following examples is not a force?

• Gravitational force

• Elastic force

• Frictional force

• Mass force

A durian falls from the tree. There is a ___________.

• gravitational force

• normal force

• elastic force

• buoyant force

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

On earth, the object with a mass of 1 kg has a weight of ___.

• 1N

• 10N

• 100N

Tags

NGSS.MS-PS2-4

Force is a pull or a push upon an object. Which of the following shows a PULL on an object?

(Choose more than one answer.)

• 
• 
• 
• 

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

______________ is the thrust force acting on an object that is floating on the surface of a fluid.

• Frictional force

• Buoyant force

• Weight

• Normal force

State the type of force that resists movement between two surfaces that are in contact with each other.

• Frictional force

• Buoyant force

• Gravitational force

• Elastic force

______________ is the force produced when an object is in contact with a surface.

• Frictional force

• Buoyant force

• Weight

• Normal force

_____________ exists when a material is stretched or compressed.

• Buoyant force

• Elastic force

• Frictional force

• Gravitational force