Forces Review

What is any push or pull called?

• force
• energy
• speed
• acceleration

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The unit for force is N. What is N?

• Net Force
• Newton
• Net Weight

If the net force on a object at rest is zero Newtons. What can you conclude?

• The object is in motion.
• The object is not in motion.

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NGSS.MS-PS2-2

What can you conclude about an object moving at a constant speed?

• No forces are acting on it.
• The forces acting on it are balanced.
• The forces acting on it are unbalanced.

Which is always true about forces?

• An object at rest has no forces acting on it.
• Unbalanced forces cause changes in speed or direction.
• The net force on a moving object can never be zero.

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NGSS.MS-PS2-2

What is the net force acting on this box?

• 5 N Left
• 25 N Right
• 30 N Left
• 55 N Right

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NGSS.MS-PS2-2

NGSS.MS-PS2-1

How would you find the net force acting on this object?

• Subtract the forces, 8N
• Add the forces, 12 N

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In a tug of war game, the net force is 50 N to the left. The winning team pulled with a force of 200 N to the left. How much force did the losing team pull with?

• 50 N Right
• 100 N Right
• 150 N Right
• 250 N Right

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NGSS.MS-PS2-2

NGSS.MS-PS2-1

Are the forces acting on the rope balanced or unbalanced?

• Balanced
• Unbalanced

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NGSS.MS-PS2-2

Are the forces acting on the rope balanced or unbalanced?

• Balanced
• Unbalanced

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NGSS.MS-PS2-1