PS 12.2 Formative

A 10-kg brick and a 1-kg brick are dropped in a vacuum. The force of gravity on the 10-kg brick is

• the same as the force on the 1-kg brick

• 10 times as much

• 1/10 as much

• zero

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

An object is propelled along a straight-line path in space by a force. If the object sweeps up extra particles and its mass becomes twice as much, its acceleration

• quadruples

• doubles

• stays the same

• halves

Tags

NGSS.MS-PS2-2

A 10-N falling object encounters 10-N of air resistance. The net force on the object is...

• 0 N

• 4 N

• 6 N

• 10 N

Tags

NGSS.MS-PS2-2

An apple weighs 1 N. When held at rest above your head, what is the net force on the apple?

Tags

NGSS.MS-PS2-4

When the net force on an object is zero, the acceleration of the object is

• constant

• zero

• less than zero

• more than zero

An object following a straight-line path at constant speed has

• a net force acting on it in the direction of motion

• zero acceleration

• no forces acting on it

• constant acceleration

Tags

NGSS.MS-PS3-1

• 100 N

• 9.8 N

• 98 N

• 980 N

Tags

NGSS.MS-PS2-4

Tags

NGSS.MS-PS2-2

Tags

NGSS.MS-PS2-2