Forces and Tension - 1st

What happens to the tension in a cable when an object accelerates upward?

• Tension decreases

• Tension equals weight

• Tension is less than weight

• Tension increases

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NGSS.HS-PS2-1

According to Newton's Second Law, what must the net force equal?

• Mass times velocity

• Mass times acceleration

• Tension minus weight

• Weight minus mass

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NGSS.HS-PS2-1

When an object is simply hanging and not moving, what is the relationship between tension and weight?

• Tension is greater than weight

• Tension is less than weight

• Tension equals weight

• Tension is zero

If an object is accelerating downward, what must be true about the weight and tension?

• Weight equals tension

• Weight is less than tension

• Weight is greater than tension

• Weight and tension are irrelevant

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NGSS.HS-PS2-1

How does the net force relate to the direction of acceleration?

• Net force is irrelevant

• Net force equals mass times negative acceleration

• Net force is always positive

• Net force equals weight minus tension

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NGSS.HS-PS2-1

What does the equation ( T - mg = ma ) represent when an object accelerates upward?

• Tension equals weight

• Tension equals weight plus mass times acceleration

• Tension is always zero

• Tension equals weight minus mass times acceleration

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NGSS.HS-PS2-1

If an object is in free fall after cutting the string, what is the tension in the cable?

• Tension is equal to weight

• Tension is greater than weight

• Tension is less than weight

• Tension is zero

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NGSS.HS-PS2-1

NGSS.HS-PS2-4

In a free body diagram, which force is acting downward on the object?

• Tension

• Weight

• Friction

• Thrust

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NGSS.HS-PS2-1

When an object has a positive acceleration, what can we conclude about the forces acting on it?

• Tension is less than weight

• Tension is equal to weight

• Tension is greater than weight

• Tension and weight are the same

Tags

NGSS.HS-PS2-1

What happens to the net force when the acceleration is zero?

• It remains constant

• It becomes negative

• It equals zero

• It increases

Tags

NGSS.HS-PS2-1