Force and Motion

Which is being acted on by unbalanced forces?

• A book on a shelf

• A runner standing motionless at the start line

• a skier increasing speed as they go downhill

• A car at a red light

Tags

NGSS.MS-PS2-2

Multiple Selection - Choose ALL of the correct answers.

What are the ways that motion of an object can change?

• speed up

• increase force

• stop moving

• change direction

• decrease force

Tags

NGSS.MS-PS2-2

Object B has a greater mass than Object A. If you apply the same strength force to both objects, which object will have a greater change in velocity?

• Object A

• Object B

• They will both change the same

Tags

NGSS.MS-PS2-2

If your goal is to make these objects slow down, in which direction should you apply the force?

• Up

• Down

• Left

• Right

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A plane travels 395,000 meters in 9000 seconds. What was its speed? Round any decimals to the nearest tenth

• 43.9 m/s

• 44 m/s

• 3,555,000,000 m/s

• .2 m/s

Tags

NGSS.MS-PS3-1

A cyclist travels 20km in 4hrs. What was the speed of the cyclist? Round any decimals to the nearest tenth.

• 80 km/hr

• 5 km/hr

• .2 km/hr

• 16 km/hr

If an object is at rest, inertia will keep it at rest.

• True

• False

Objects with greater mass have less inertia.

• True

• False

A force is unbalanced if the net forces acting on the object is zero.

• True

• False

Tags

NGSS.MS-PS2-2

When two objects collide, a force is exerted on each object. The two forces are exerted in opposite directions, but they are the same (a)   .

Tags

NGSS.MS-PS2-1