Motion and Forces Review

Josh shoots an arrow toward a target. The arrow is moving straight, but then falls to the ground before reaching the target. This was due to

• Centripetal Force

• Gravity

• Momentum

• Newton (N)

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NGSS.MS-PS2-4

A woman is pulling two children on a wagon. How could she increase the acceleration of the wagon?

• She could take both children out of the wagon

• She could put another child in the wagon

• She could ask the children to drag their feet outside if the wagon

• She could bring their favorite toys into the wagon.

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NGSS.MS-PS2-2

The amount of matter an object has is its

• Force

• Mass

• Weight

• Inertia

Which statement best summarizes the scientific concept shown in the cartoon?

• A falling body accelerates at a constant speed.

• The motion of the object is constantly changing due to magnetic forces.

• The force of friction causes an object in motion to move faster.

• A body in motion will remain in motion unless influenced by an outside force.

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NGSS.MS-PS2-2

How would taping a coin (adding mass) to a toy car affect the overall speed of the toy car?

• The speed would stay the same

• The speed would Increase

• The speed would Decrease

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NGSS.MS-PS2-2

NGSS.MS-PS3-1

If a child is pulling a wagon with a small stuffed animal in it on a sidewalk, Why would the stuffed animal continue to move forward if the cart suddenly stops moving.

• Centripetal Force

• Inertia

• Gravity

• Balanced Force

What would be the force of a bat swing, with the bat's mass of 2kg and the acceleration at 2m/s²?

• 4N

• 4m/s

• 1N

• 1kg/m/s²

Tags

NGSS.MS-PS2-2

A balloon travels across a string to the right. If the action is the balloon traveling right, what is the reaction?

• The air traveling right

• The force of the balloon traveling right

• The air traveling left

• The string having an acceleration

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NGSS.MS-PS2-1

Which of the equations below is the proper speed equation?

• Speed = Time x Distance

• Speed = Time / Distance

• Distance = Time / Speed

• Speed= Distance / Time

The measure of the force of gravity pulling on an object is

• Weight

• Inertia

• Mass

• Acceleration

Tags

NGSS.MS-PS2-4