Interpreting Motion Graphs and Balanced & Unbalanced Forces

What is the formula to calculate speed when distance and time are known?

• Speed = Distance × Time

• Speed = Distance ÷ Time

• Speed = Time ÷ Distance

• Speed = Distance + Time

Tags

TEKS.SCI.7.7C

Which of the following graphs best represents an object moving at a constant speed?

• A straight horizontal line

• A straight line with a positive slope

• A curved line

• A straight line with a negative slope

Tags

TEKS.SCI.7.7C

If an object is at rest, what can be said about the forces acting on it according to Newton's First Law of Motion?

• The forces are balanced

• The forces are unbalanced

• There are no forces acting on it

• The object is accelerating

Tags

TEKS.SCI.7.7D

An object is moving with a constant speed. What will happen to its motion if an unbalanced force is applied?

• It will stop

• It will accelerate

• It will continue moving at the same speed

• It will change speed, direction, or both.

Tags

TEKS.SCI.7.7D

Interpret the motion of an object if its distance-time graph is a horizontal line.

• The object is moving at a constant speed

• The object is accelerating

• The object is at rest

• The object is decelerating

Tags

TEKS.SCI.7.7C

Which scenario best illustrates Newton's First Law of Motion?

• A ball rolling down a hill

• A book resting on a table

• A car accelerating on a highway

• A rocket launching into space

Tags

TEKS.SCI.7.7D

Analyze the effect of unbalanced forces on a moving object.

• The object will continue moving at the same speed

• The object will change its speed or direction

• The object will stop moving

• The object will remain at rest

Tags

TEKS.SCI.7.7D

Explain why a passenger in a car feels pushed back into their seat when the car accelerates.

• Due to balanced forces

• Due to unbalanced forces

• Due to inertia

• Due to gravity

Tags

TEKS.SCI.7.7D

What does a steep slope on a distance-time graph indicate about an object's speed?

• The object is moving slowly

• The object is moving quickly

• The object is at rest

• The object is moving backward

Tags

TEKS.SCI.7.7C

Predict the motion of an object if the forces acting on it become unbalanced.

• The object will remain at rest

• The object will move in a straight line at a constant speed

• The object will accelerate

• The object will decelerate

Tags

TEKS.SCI.7.7D