How much force must the person apply to the right side of the box to create an unbalanced force and cause the box to move to the left?

• more than 100 Newtons of force

• exactly 100 Newtons of force

• less than 100 Newtons of force

• unknown - not enough information

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What will be the effect of the forces applied to the bikes?

• Bike A will slow down and Boke B will speed up

• Bike A will speed up and Bike B will slow down

• Both bikes will slow down

• Both bikes will speed up

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

An unbalanced force applied to an object can cause a change in the object's ​ (a)  

• speed and direction
• mass and weight
• direction only
• speed only

Tags

NGSS.MS-PS2-2

The two forces shown are applied to the box. Which way will the box move?

• to the left

• it will move up

• to the right

• it will remain still

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If the box moves to the LEFT, which person is applying more force?

• person A

• person B

• they are both applying the same force

Tags

NGSS.3-PS2-1

Which force on the car will cause the car to move forward?

• Force A

• Force B

• Force C

• Force D

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of these statements best describes a balanced force?

• the speed of an object changes

• a moving object changes direction

• an object must be moving

• the forces on an object are equal

Which of these is an example of an unbalanced force?

• a truck stopped at a stop sign

• an airplane traveling at a constant speed

• a car speeding up to pass another car

• a book sitting on a table

Tags

NGSS.MS-PS2-2

Some forces are applied to the boxes, as shown. Which box will move to the LEFT?

• Box A

• Box B

• Box C

Tags

NGSS.MS-PS2-2

Which example is in the wrong column?

• a car parked in a garage

• a rollercoaster speeding up as it goes down a hill

• a man pushing a box across the floor

• a child going down a slide on the playground

Tags

NGSS.MS-PS2-2