Conceptual Physics

Unbalanced forces acting on an object cause the object to ______.

• tip over

• accelerate

• velocity

Tags

NGSS.MS-PS2-2

For a constant force, an increase in the mass ______

• will result in an increase in the acceleration

• have no effect on acceleration

• will result in a decrease in the acceleration

Tags

NGSS.MS-PS2-2

The acceleration produced by a net force on an object is ______

• directly proportional to the magnitude of the net force

• in the same direction as the net force

• inversely proportional to the mass of the object

• all of these

Tags

NGSS.MS-PS2-2

The force of friction between two surfaces depends on ______.

• the kinds of materials in contact

• how much the surfaces are pressed together

• both of these

• neither of these

All freely falling objects fall with the same acceleration because the net force is only its weight and ______.

• the ratio of weight to mass is the same for all objects

• the net force is zero

• larger objects have more area

Tags

NGSS.MS-PS2-4

The air resistance force on an object depends on ______.

• the object's speed and area

• the object's speed

• the object's area

• magic

Terminal speed is the speed at which ______.

• a falling object experiences max acceleration

• a falling object's acceleration is zero

• A falling object's speed is increasing

A diagram showing all the forces acting on an object ______

• is equal to zero

• is called a free-body diagram

• is called a Venn diagram

The acceleration produced by a net force on an object is

• directly proportional to the magnitude of the net force

• in the same direction as the net force

• inversely proportional to the mass of the object

• (all of these)

Tags

NGSS.MS-PS2-2

The acceleration produced by a net force on an object is

• inversely proportional to the magnitude of the net force

• not in the same direction as the net force

• inversely proportional to the mass of the object

• directly proportional to the mass of the object

Tags

NGSS.MS-PS2-2