NGSS.MS-PS2-2

What force brings the pencil down?

• Applied
• Magnetic
• Normal
• Gravitational

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NGSS.MS-PS2-2

_____________ causes changes in the speed and/or direction of motion. 

• Speed
• Force
• Velocity

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NGSS.MS-PS2-2

What is the net force?

• 17 N Right
• 3 N Right
• 3 N Left
• 17 N Left

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NGSS.MS-PS2-2

Which objects in the list experience an unbalanced force?

• the book, the ball, and the car
• the ball, the car, and the bird
• the can, the swing, and the bird
• the book, the ball, the can, and the swing

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NGSS.MS-PS2-2

According to Newton's second law, if you increase the force applied to an object :

• it accelerates more
• it doesn't move
• you get more inertia
• it decelerates

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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.

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NGSS.MS-PS2-2

S8P3c How is an object's mass related to the force needed to accelerate the object?

• Mass determines the direction of the force needed

• Mass determines the kind of force needed

• The greater the mass, the greater the force needed

• The smaller the mass, the greater the force needed

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NGSS.MS-PS2-2

What will cause an object to move?

• Applied forces
• Balanced forces
• Unbalanced forces

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NGSS.MS-PS2-2

Which of these best states Newton's Second Law?

• The greater the mass of an object the greater the force needed to change its motion.

• The greater the mass of an object the less force needed to change its motion.

• The mass of an object does not effect the force needed to change its motion

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NGSS.MS-PS2-2

These forces are...

• Balanced

• Unbalanced

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NGSS.MS-PS2-2