# NCERT Class 9 Physics Formative Assessment Motion CBSE Board Sample Problems (For CBSE, ICSE, IAS, NET, NRA 2022)

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Short Answer Based questions

1) What is unit of acceleration?

2) What is zero uniform velocity motion?

3) A body moving in a circle with constant speed. Is it acceleration?

4) A body goes from point A to B and then return then from B to A. what is the total displacement?

5) Acceleration is a vector quantity True or false?

6) What is the path of a velocity — time graph of a body moving with uniform acceleration

7) What all ways the velocity of the body can be changed?

8) What is average speed?

Match the column

 Column A Column B The Slope of the speed-time graph is called Average Velocity The arithmetic mean of initial and final velocity Distance What quantity is obtained by the area under speed time graph Acceleration The slope of the distance time graph Speed

Table type question

A car moves in a straight line from rest at t0. It accelerates with 2m/s2

Solve the following table

 Time 2sec 10mm 25 m 10 m/s Displacement ? ? ? ? Velocity ? ? ? ?

Fill in the blanks

1) A car starts at rest and travel a distance 20 m in 1 sec . The car average speed is________

2) Motion of earth around sun is an example of ________ Motion

3) Tractor moving with 18 km/h is then car moving with 1500 m/mm

4) The motion of a free falling body is ________an example of ________motion

5) The curved speed time graph represent________ accelerated motion

6) Distance is a quantity while displacement is a ________quantity

Solution

Fill in the blanks Solution

1) 20 m/s

2) Uniform circular motion

3) Lesser

4) Uniform acceleration motion

5) Not uniform

6) Scalar, vector

Crossword Puzzle Crossword Puzzle

Across

2. Physical quantity obtained by dividing displacement with time taken

3. A quantity having both magnitude and direction

4. This remains constant in uniform circular motion

6. It is the slope of speed -time graph

8. This measure the distance travelled by the car

Down

1. This is the other name for negative acceleration

4. The speed is said to be a

5. This is the acceleration of the body with uniform velocity

7. This measure the speed of the car

Solution

Crossword solution

Across: Velocity, Vector, speed, acceleration, Odometer

Down: Retardation, Scalar, Zero, Speedometer