01 Balanced/Unbalanced Forces PRE-assessment

LT#1: This affects how objects move.

• acceleration

• speed

• velocity

• force

Tags

NGSS.MS-PS2-2

LT#1: A(n) _______ force causes a change in position, speed, or direction of an object.

• balanced

• gravitational

• unbalanced

• Newton

Tags

NGSS.MS-PS2-2

LT#1: A stack of books are on a flat table and an unbalanced force is applied from the side. The books will...

• MOVE in the direction with the greatest net force

• MOVE in the direction of the force due to friction

• NOT MOVE due to gravity

• NOT MOVE because of friction

Tags

NGSS.MS-PS2-2

LT#1: Which of the following is FALSE (not true) about force?

• Forces act in pairs.

• Forces are measured in Newtons (N)

• Forces act in a particular direction.

• Forces and their effects are always seen.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

LT#1: A push or pull is best known as..

• a force

• gravity

• Newton

• weight

Tags

NGSS.MS-PS2-2

LT#2: An object at rest has equal forces acting on it. This can be described as...

• gravitational force

• an unbalanced force

• a balanced force

• a physical force

LT#2: Which is the best example of an UNBALANCED force?

• a book resting on a shelf

• a train accelerating from the station

• a chair sitting motionless

• a car driving at a constant speed

Tags

NGSS.MS-PS2-2

LT#2: Which of the following could be classified as a BALANCED force?

• an asteroid moving at a constant speed through space

• a car accelerating from a stop sign

• a box of dishes falling off of a counter

• a rocket taking off

LT#2: Mrs. Friberg's and Mrs. Rivers' B-time classes are playing tug of war. Mrs. Friberg's class pulled with 400N of force and Mrs. Rivers' class pulled with 300N of force.

• Balanced force

• Unbalanced force

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

LT#2: Which scenario is the best example of a BALANCED force?

• A skier skiing through flags in a race down the mountain

• A gymnast on a balance beam doing a backflip

• Two ice skaters moving in a straight line at a constant speed

• A car accelerating at a green light

Tags

NGSS.MS-PS2-2