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Give the explain being asked for in the item. Use a maximum of 3
sentences.
7. Explain the difference between average and instantaneous velocity/acceleration.
8. Explain how free-fall motion can be considered an example of uniform accelerated linear motion.
platform 4 ft high in 1.5 minutes?
is developed?
power is developed?
Draw the free body diagram of the following situation.
1.A book on top of a table and is not moving. On top of the book is a small box that is also at rest.
2.A toy car pulled by a string and moving at a constant motion on a surface with friction. The string makes an angle of 25° from the horizontal.
Question 6 Which of the following is the most probable description of the motion of the object depicted in the graph shown below? a) A person on a bike accelerating in a straight line, then decelerating b) A planet in orbit c) A goalkeeper returning a penalty shot in a football match. d) One swing of a pendulum.
what is the force required for a steel wire to double its length when its area of cross section is one square cm and young modules is 200G pa.as the length of the wire is doubled the change in length is equal to its original length
