revision exam 1st

. In constant acceleration motion, what is the relationship between acceleration and time to find the change in velocity?

• They are divided

• They are multiplied

• They are subtracted

• They are squared

The velocity-time equation for constant acceleration is represented as:

• a

• b

• c

• d

When acceleration is constant, the average velocity equals:

• Final velocity divided by 2
  
  

• . Initial velocity times 2

• Initial velocity plus final velocity

• 
  Half the sum of initial and final velocities

. What does the area under a velocity-time curve represent?

• Acceleration

• Average velocity

• Distance traveled

• Final velocity

Position-time graphs for constant acceleration are

If acceleration is negative, the position-time graph curves:

The vertical-axis intercept of a position-time curve equals:

• Initial position

• Final velocity

• Acceleration

• Average speed

The value of acceleration due to gravity (g) is.......m/s2

In free fall motion:

• Lighter objects fall faster

• Air resistance is the main force

• All objects have the same acceleration

• Objects accelerate differently based on mass

When choosing upward as positive direction, free fall acceleration is:

• a=g

• a=0

• a=−g

• a=2g