Physics Pt 1 ET

People falling forward in a car crash is an example of intertia.

• True

• False

Answer explanation

When the car comes to a sudden stop, it forces the people in the car to fling forward.

Which rolling item would be harder to stop?

• 
• 

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Inertia refers to ___________

(select all the apply)

• the tendency of moving objects to remain in motion

• the force which keeps moving objects in motion with a constant velocity

• the force that keeps stationary objects at rest

• the tendency of stationary objects to remain at rest

anything that pushes or pulls on an object

• acceleration

• gravity

• inertia

• force

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

NGSS.MS-PS2-4

What is the net force?

• 40 N left
• 0 N Balalnced
• 400 N right
• 40 N right

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Match the following

• m/s west

• Acceleration

• meters per second squared

• Velocity

• meters per seconds

• Speed

Tags

NGSS.MS-PS3-1

An object that is at rest will have no forces acting on the object.

• True

• False

Organize these options into the right categories

Groups:

(a) Unbalanced

,

(b) Balanced

• A car driving at 30 mph

• A book pushed to the right with 10 N

• 
• 
• 

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

NGSS.MS-PS3-1

Lizzie is pushing Alex on a scooter. Lizzie is pushing with a 75 Newton force to the left, and Alex is helping with a 20 Newton force to the left. What is the NET FORCE on the scooter?

• 95 N to the right

• 95 N to the left

• 55 N to the right

• 55 N to the left

Tags

NGSS.MS-PS2-2

Suppose your bike accelerates from 2 m/s to 11 m/s in 3 seconds. What is your average acceleration?

• 3 m/s

• -3 m/s/s

• 3 mph

• 3 m/s/s

• 4.5 m/s/s

Tags

NGSS.HS-PS2-1