NCERT Class 9 Physics Formative Assessment Motion CBSE Board Sample Problems
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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
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