Understanding Motion in a Straight Line

What is uniform motion?

• Uniform motion is motion at a constant speed in a straight line.

• Motion that varies in speed and direction.

• Motion that involves acceleration and deceleration.

• Motion in a circular path at varying speeds.

How does acceleration differ from uniform motion?

• Uniform motion involves changing speed.

• Acceleration occurs only in circular motion.

• Acceleration is the same as uniform motion.

• Acceleration involves a change in velocity, while uniform motion is constant speed.

What is the formula for calculating acceleration?

• a = (v_f - v_i) / t

• a = (v_f * v_i) + t

• a = v_i / t

• a = v_f + v_i

Explain the difference between distance and displacement.

• Distance is a scalar quantity representing total movement, whereas displacement is a vector quantity representing the shortest path between two points.

• Distance is a vector quantity while displacement is a scalar quantity.

• Displacement measures the total distance traveled regardless of direction.

• Distance is always greater than displacement.

What does a distance-time graph represent?

• A distance-time graph shows speed over distance.

• A distance-time graph indicates the direction of travel.

• A distance-time graph represents time intervals only.

• A distance-time graph represents the distance traveled over time.

How can you identify uniform motion on a graph?

• Uniform motion is shown by a curved line on a graph.

• Uniform motion is indicated by a series of peaks and valleys on a graph.

• Uniform motion is represented by a straight line on a graph.

• Uniform motion is represented by a dotted line on a graph.

What is the equation of motion for an object under constant acceleration?

• s = ut + (1/2)at²

• s = vt + (1/2)at

• s = ut + at

• s = u + at²

If an object moves 100 meters east and then 50 meters west, what is its displacement?

• 150 meters east

• 50 meters west

• 100 meters east

• 50 meters east

What is the significance of the slope in a velocity-time graph?

• The slope indicates the acceleration of the object.

• The slope represents the distance traveled by the object.

• The slope shows the speed of the object at a specific time.

• The slope indicates the direction of the object's motion.

How do you calculate the total distance traveled if an object moves in multiple directions?

• Total distance is the maximum distance in one direction.

• Total distance is the sum of all individual segment distances.

• Total distance is calculated by multiplying the number of segments by the longest segment.

• Total distance is the average of all segment distances.