Motion Worksheet-1

Motion Worksheet-1

1. The branch of Physics, which deals with the behaviour of moving objects, is known as _____.

2. An object is said to be in _____ if it changes its position with respect to its surroundings in a given time.

3. A _____ is another object of scene with respect to which we compare an object's position.

4. The distance covered by a moving object is the _____ of the path followed by the object, irrespective of the ____ in which the body travels.

5. The distance time graph for ____ is a straight line.

6. A non uniform motion is also called an ____ motion.

7. _____ is expressed in radian per second.

8. The slope of velocity-time graph gives ____  of motion.

9. The distance travelled by a body per unit time is called the _____ of that body.

10. _____ acceleration is also known as retardation.

11. There are ______ equations for the motion of bodies that travel with a uniform acceleration.

12. Physical quantities having ____ are called scalars.

13. In a displacement - time graph, if the graph is parallel to the time axis, then the body is _____.

14. If the acceleration of a moving body is zero, then it is moving with _____ velocity.

15. The other name for uniform acceleration is _____ acceleration.

16. In a circular motion, the angle subtended at the _____ by any arc of the circular path of motion is called the angular displacement (q).

17. _____ is the shortest distance covered by a moving object from the point of reference, in a specific direction.

18. In a circular motion, the angle subtended at the centre by any arc of the circular path of motion is called the ______.

19. A _____ motion is also called an accelerated motion.

20. The change in ______ in unit time is called the angular acceleration

21. Centimeter is the_____ unit of measurement.

22. The moon moves in a _____ circular motion around the earth.

23. A single velocity which replaces many velocities to cover a length in the same total time is called ____velocity.

24. When a body moves in a circular path of fixed _____, it is called a circular motion.

25. ____ scalar quantity always changes irrespective of everything.

Answer:

1. Mechanics

2. motiom

3. Frame of reference

4. Actual length, Direction

5. Uniform motion

6. accelerated

7. Angular velocity

8. Acceleration

9. Speed

10. Negative

11. Three

12. Magnitude

13. Stationary

14. uniform

15. Constant

16. Centre

17. displacement

18. Angular displacement

19. Non uniform

20. Angular velocity

21. C.G.S

22. uniform

23. average

24. Radius

25. time