Balanced and Unbalanced Forces

Which forces are acting on the dominoes that are standing up?

• gravity

• magnetic force

• balanced force

• friction

Tags

NGSS.MS-PS2-4

This tractor is holding up a piece of heavy scrap metal. What kind of force is pulling on the metal?

• gravity

• unbalanced force

• balanced force

• no force

Tags

NGSS.MS-PS2-4

These two men are trying to move this box across the room. Will their strategy work? Why or why not?

• It will work because they are both pushing.

• It will work because two men pushing will make the box light.

• It will not work because they are pushing against each other.

• It will not work because one is pushing and one is pulling.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Will this man be able to push this car very far alone, or will he need help?

• He will be able to push it very far. It is a small car.

• He is pushing the car.

• He will not be able to push the car very far alone. The car is too heavy. The forces are unbalanced.

• He will not be able to push it very far, because the car is pushing back.

Tags

NGSS.3-PS2-1

What are these two men creating right now?

• They are creating a balanced force that will result in the couch moving.

• They are creating a pull which will result in the couch moving.

• They are creating an unbalanced force that will result in the couch moving.

• They are creating a magnetic force that will result in the couch moving.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which child will push their car the farthest?

• A

• B

• C

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Why will the child in picture A have the hardest time pushing his car?

• His car is very small, and he is very large.

• His car is very large, and he is very small.

• He is very small, and is car is very slow.

• His car is the heaviest because it has a grown up in it.

Tags

NGSS.K-PS2-1

NGSS.K-PS2-2

What will happen to the girl in the pink shirt if the boy in the green shirt pulls harder than her?

• The boy will fall because he pulls too hard.

• The girl will go backwards because of his push.

• The girl will go forward because his force is stronger than hers.

• The girl will fall because she doesn't know how to skate.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The chart below shows forces and the objects in which the forces act between. Select the object that is missing.

• any object

• earth

• the ground

• air

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which statement explains what caused the truck to move in trials 3 and 4?

• When one student pushed with more force than the other student, the truck rolled.

• When both students pushed with the same force, the trucked rolled to the right or the left.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2