Speed velocity-time graph

What does the slope of a velocity-time graph represent?

• Acceleration

• Speed

• Distance

• Displacement

If a velocity-time graph is a horizontal line above the time axis, what can you say about the speed of the object?

• The speed is increasing

• The speed is constant

• The speed is zero

• The speed is decreasing

On a velocity-time graph, what does a point where the graph crosses the time axis indicate?

• The object is at rest

• The object is moving at maximum speed

• The object is changing direction

• The object is accelerating

If the velocity-time graph shows a straight line sloping upwards from left to right, what does this indicate about the object's speed?

• The speed is decreasing

• The speed is increasing

• The speed is constant

• The speed is zero

• The speed is increasing

• The speed is decreasing

• The speed is constant

• The speed is zero

• The speed remains constant

• The speed decreases to zero and then increases

• The speed increases steadily

• The speed is always zero

If an object’s velocity-time graph is a straight line with a negative slope, what is happening to the object’s speed?

• The speed is increasing

• The speed is decreasing

• The speed is constant

• The speed is zero