Exploring Motion and Force Concepts

What is a reference point in the context of motion?

• An indicator from where you measure, record, or witness an event

• The speed at which an object is moving

• A place where an object starts moving

• The final position of a moving object

If a runner completes a 400-meter track and ends at the starting point, what is their displacement?

• 100 meters

• 0 meters

• 200 meters

• 400 meters

How do you calculate the distance traveled by an object?

• By measuring the change in its speed

• By adding up the total path length it has moved

• By finding the difference between its initial and final positions

• By using the Pythagorean theorem

What is the formula for calculating speed?

• Speed = Distance / Time

• Speed = Distance x Time

• Speed = Distance + Time

• Speed = Time / Distance

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If you run 2 kilometers in 10 minutes, what is your speed?

• 0.2 kilometers per minute

• 2 kilometers per minute

• 0.5 kilometers per minute

• 1 kilometer per minute

What is the speed of sound in dry air?

• 343 meters per second

• 250 meters per second

• 300 meters per second

• 400 meters per second

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How is velocity different from speed?

• Velocity includes direction, while speed does not

• Velocity is always greater than speed

• Velocity is measured in different units than speed

• Velocity does not change with direction

What does the slope of a line on a distance-time graph represent?

• The speed of the object

• The time taken

• The direction of motion

• The distance traveled

What does a straight line with a constant slope on a distance-time graph indicate?

• The object is stationary

• The object is accelerating

• The object is moving at a constant speed

• The object is decelerating

Tags

NGSS.MS-PS3-1

What does a flat line on a distance-time graph indicate?

• The object is decelerating

• The object is accelerating

• The object is not moving

• The object is moving at a constant speed