Bell Ringer Quiz 4 (Unit2 Week4) – TEKS 7.7D: Direction Changes Count, Too

Quiz by Grade 7 Science - Texas Education Agency

Grade 7

Science (2021)

Texas Essential Knowledge and Skills (TEKS)

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Measures 1 skill from

Grade 7

Science (2021)

Texas Essential Knowledge and Skills (TEKS)

SCI.7.7D

Analyze the effect of balanced and unbalanced forces on the state of motion of an object using Newton's First Law of Motion.

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Q 1/3
Score 0
A car moves at a steady speed but turns left around a curve. Which is true about forces on the car?
30
Balanced forces (net 0) because speed is steady
Unbalanced force is present because the direction is changing
No forces act during a turn
Gravity causes the car to speed up
Q 2/3
Score 0
A spacecraft in deep space drifts at constant velocity. The astronaut briefly fires a side thruster that exerts an unbalanced force to the right. What happens?
30
The craft instantly stops
The craft’s velocity changes—its direction and/or speed shift to the right
The craft continues unchanged
Gravity pulls the craft backward

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Related quizzes

Q 1/3
Score 0
A car moves at a steady speed but turns left around a curve. Which is true about forces on the car?
30
Balanced forces (net 0) because speed is steady
Unbalanced force is present because the direction is changing
No forces act during a turn
Gravity causes the car to speed up
Q 2/3
Score 0
A spacecraft in deep space drifts at constant velocity. The astronaut briefly fires a side thruster that exerts an unbalanced force to the right. What happens?
30
The craft instantly stops
The craft’s velocity changes—its direction and/or speed shift to the right
The craft continues unchanged
Gravity pulls the craft backward

3 questions

Q.

A car moves at a steady speed but turns left around a curve. Which is true about forces on the car?

1

30 sec

SCI.7.7D

Q.

A spacecraft in deep space drifts at constant velocity. The astronaut briefly fires a side thruster that exerts an unbalanced force to the right. What happens?

2

30 sec

SCI.7.7D

Q.

A student pulls a sled with 40 N forward while friction is 30 N backward. What best describes the sled’s motion?

3

30 sec

SCI.7.7D