16 Questions
What is the rate at which velocity changes called?
Acceleration
What does a horizontal line on a distance-time graph indicate?
At rest
What is the quantity that represents the rate of change in displacement with respect to time?
Velocity
What is the formula to calculate speed?
Speed = distance/time
According to the graph, how far does the person travel in the first 5 seconds?
2 m
What is the object doing in segment O-A of the graph?
At rest
Edward drove 80 miles from his home to London. How far was Edward from home when he visited Nicola?
45 miles
What is the object doing in the given graph?
Decreasing speed and then constant speed
What is the unit of length or distance in the SI system?
meter (m)
Which of the following is a characteristic of velocity?
It has both magnitude and direction
What is the term for the rate at which distance is covered?
Speed
What is the unit of acceleration?
Meters per second squared
What would the distance-time graph look like for an object traveling at a constant speed?
Straight line
A car travels from 0 m/s to 20 m/s in 4 seconds. What is its acceleration?
4 m/s^2
What is the velocity of an object that travels 96 m in 8 seconds?
12 m/s
Which of the following graphs would represent an object that is accelerating?
Curved line
Study Notes
Motion and Speed
- The rate at which distance is covered is called speed.
- The SI unit for length or distance is meter (m).
- The unit of velocity is meters per second.
- The unit of acceleration is meters per second squared.
Graph Analysis
- A horizontal line on a distance-time graph indicates moving at constant speed.
- A curved line on a distance-time graph indicates changing speed.
- A d-t graph represents the relationship between distance and time.
Acceleration
- Acceleration is the rate at which velocity changes.
- Deceleration is the rate at which velocity decreases.
- Acceleration is measured in meters per second squared.
Distance and Displacement
- Distance is the total length traveled by an object.
- Displacement is the shortest distance between the initial and final positions of an object.
- Displacement has both magnitude and direction.
Velocity and Speed
- Velocity is the rate of change in displacement with respect to time.
- Speed is the rate at which distance is covered.
- Velocity has both magnitude and direction, while speed has only magnitude.
Problem-Solving
- To calculate speed, use the formula speed = distance / time.
- To calculate velocity, use the formula velocity = displacement / time.
- To calculate acceleration, use the formula acceleration = (final velocity - initial velocity) / time.
Graph Interpretation
- A graph with a steep slope indicates high speed.
- A graph with a shallow slope indicates low speed.
- A graph with a horizontal line indicates constant speed.
- A graph with a curved line indicates changing speed.
This quiz assesses understanding of motion concepts, including speed, acceleration, and relative motion, based on a graphical representation of runners and an object's movement.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
