Force #1

What is the net force?

• 5.5 N left
• 5.5 N right
• 2.5 N left
• 2.5 N right

Tags

NGSS.MS-PS2-2

What is the net force?

• 11 N left
• 11 N right
• 3 N left
• 3 N right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the net force?

• 3 N left
• 3 N right
• 7 N left
• 7 N right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The graph shows how the speed of an object changed over time. During which segments of this graph were the forces acting on the object balanced?

• R only
• Q and S
• R and T
• R, S and T

Tags

NGSS.MS-PS2-2

The diagram below shows a toy car moving along a smooth, frictionless track. In which sections of the track will this toy car experience unbalanced forces? 

• Sections 1 and 3
• Sections 1 and 2
• Sections 2 and 4
• Sections 3 and 4

Tags

NGSS.MS-PS2-2

The diagram below shows a skateboarder pushing himself forward with a force of 25 N while the wind pushes back with a force of 5 N. How will the skateboarder be affected if the force of the wind increases to 8 N?

• The speed of the skateboarder will increase.
• The speed of the skateboarder will remain constant.
• The speed of the skateboarder will decrease.
• The skateboarder will come to a stop.

Tags

NGSS.MS-PS2-2

A cyclist traveling at 25 km/hr turns sharply to the left. This means the forces involved are_____________________.

• Balanced, because the cyclist's speed did not change.

• Balanced, because he was still moving forward.

• Unbalanced, because the mass of the bicycle remained constant.

• Unbalanced, because his direction changed.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to remain in place?

• Object W
• Object X
• Object Y
• Object Z

Tags

NGSS.MS-PS2-2

If an object was accelerating at 10 m/s^2, and a force of 10 newtons was required to accelerate it, what was the object's mass?

• 1 kilogram
• 10 kilograms
• 2 kilograms
• 5 kilograms

Tags

NGSS.MS-PS2-2

the tendency of an object to resist a change in its motion

• acceleration
• inertia
• mass
• frame of reference