Forces and Motion

What kind of friction occurs between your pencil and paper when you write?

• Fluid

• Rolling

• Sliding

• Static

When forces on an object are balanced, the net force is...

• Zero

• Greater than zero

• Less than zero

• The total of the forces

Tags

NGSS.HS-PS2-1

which of the following forces is not acting on a leaf as it falls from a tree?

• Gravity

• Rolling

• Fluid

Tags

NGSS.MS-PS2-4

When an unbalanced force acts on an object, the object...

• stays at rest

• accelerates

• changes its mass

• changes its weight

Tags

NGSS.MS-PS2-2

What is the acceleration of gracity on Earth?

• .42

• 3.8

• 9.8

• 11.2

As you push a cereal box to your right accross the tabletop, sliding friction acts...

• to the right

• to the left

• upwards

• downwards

Tags

NGSS.MS-PS2-2

What is the only thing that can start or stop an object from moving?

• inertia

• mass

• weight

• force

Tags

NGSS.MS-PS2-2

an object in motion stays in...

Tags

NGSS.MS-PS2-2

an object at rest stays at...

force = mass X _____

Tags

NGSS.MS-PS2-2