Science STAAR Physics

Which type of force(s) will cause a change in an object's motion?

• gravity

• balanced forces

• unbalanced force

• net force

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

What are the appropriate units to describe acceleration?

• m/p

• m/h

• m/s

• m/s square

What is the speed of object A at t =10s?

• 5 m/s

• 0.2 m/s

• 60 m/s

• 40 m/s

Tags

NGSS.MS-PS3-1

Which object did not have a constant speed during the first 50 seconds of their ride?

• A

• B

• C

Tags

NGSS.MS-PS3-1

What is the net force on the box?

• 3N

• 9N

• -3N

• 18N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Are these forces balanced or unbalanced?

• Balanced because the box’s motion did not change.

• Balanced because the box’s motion did change.

• Unbalanced because the box’s motion did not change.

• Unbalanced because the box’s motion did change.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A student used a video camera to record another student dropping a marble through water in a graduated cylinder. The students watched the video in slow motion and made the observations shown. During which part or parts of the marble's fall did the marble experience unbalanced forces?

• Part 1 only

• Parts 1 and 2 only

• Part 3 only

• Parts 2 and 3 only

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Doug and Linda were playing tug of war. Doug pulled the rope with a force of 10N to the west. Linda pulled the rope with a force of 12N to the east. What was their net force and direction of motion?

• 22N east

• 2N east

• 22N west

• 2N west

Tags

NGSS.MS-PS2-2

Deep Space 1 was a spacecraft powered by a engine that gave off xenon particles to change velocity. It had a mass of 500kg. Which expression can be used to find the spacecraft's acceleration if its engine created a net force of 0.10N?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-2

Which statement describes the energy changes that occur when water in a tea kettle is heated on a stove that uses natural gas?

• F

• G

• H

• J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4