A Level 2 Accelerated Motion

Which is not correct about acceleration?

• Rate of changing velocity

• Change of velocity over time

• Rate of changing displacement

• Change of speed over time

Which statement is correct?

• Deceleration is positive acceleration

• Unit of acceleration is ms^-1

• Unit of deceleration is ms^-2

• Deceleration is increasing speed

Which equation is correct?

• v² = u² + 2as

• u² = v² + 2as

• a = (u - v)/t

• a = (v + u)/t

From this velocity-time graph, which one shows decelerating?

• A

• D

• E

• F

From these velocity-time graphs, which graph shows changing acceleration?

• A & B

• B & E

• D & E

• E & F

An object moving with constant acceleration. After sometimes, it moves with constant velocity. After seeing an red traffic light, it decelerates. Which graph shows this motion?

• A

• B

• C

• D

This graphs shows an object moves ...

• constant velocity --> stationary --> constant velocity

• constant acceleration --> stationary --> constant velocity

• constant acceleration --> constant velocity --> constant acceleration

• constant acceleration --> constant velocity --> constant deceleation

From which time until which time the object is decelerating?

• t = 0 s to t = 2 s

• t = 4 s to t =6 s

• t = 2 s to t = 4 s

• t = 6 s to t = 10 s

What is the acceleration showing in this graph?

• 1 ms^-2

• 0 ms^-2

• 2 ms^-2

• -1 ms^-2

What is the total distance for the rest of journey?

• 16 m

• -2 m

• 2 m

• 18 m