Physics Practice Tests – Fundamentals of Motion (Speed, Velocity and Acceleration)

Hello and Welcome to Physics Practice Tests - Speed, Velocity and Acceleration

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A moving body accelerates when it ________

A. changes its direction at constant speed.
B. maintains a constant linear speed.
C. covers equal distances in equal times in a straight line.
D. is acted upon by balanced forces.

A body starts from rest and moves in a straight path with uniform acceleration of 8 ms-2 for 5 s. It then decelerates uniformly to rest in the next 10 s. Calculate the magnitude of its deceleration.

A. 40 ms-2 B. l6 ms-2 C. 8 ms-2 D. 4 ms-2

The velocity-time graph below illustrates the motion of a body.

Determine the value of the retardation.

A. -2.7 ms-2    B. -2 ms-2   C. 2 ms-2  D. 4 ms-2

A body accelerates uniformly from rest at 3 ms-2 for 8s. Determine the distance travelled by the body during the acceleration.

A. 12m.      B. 24m.      C. 48m.      D. 96m

The diagram above shows the speed-time graph of a car. If the car covered a total distance of 600m in 25 s, calculate its maximum speed. (WASSCE 2006)

A. 30 ms-1      B. 25 ms-1      C. 20 ms-1      D. 15 ms-1

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