16 Questions
Who claimed that heavy and light objects drop in the same way?
Aristotle
What is the free fall acceleration on earth?
9.81 m/s2
How does friction affect speed?
more friction decreases speed
Which of the following is an example of natural motion according to Aristotle?
A smoke rises
Who was the first astronomer to suggest that the Earth rotates on its axis?
Aristarchus
Which form of motion always follows a curved path?
Natural motion
What is the nature of the motion of an object moving with a constant velocity?
Free Fall Motion
What is the rate of change in acceleration?
Velocity
What happens to the velocity of a ball as it is dropped off a cliff?
It increases at a uniform rate
What is the velocity of a ball with a weight of 20 N just as it reaches the top of its path when thrown vertically upward?
Zero
Which law explains the phenomenon when a magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them?
Law of inertia
Which phenomenon was known only with the aid of a telescope?
Sunspot
Which view about the nature of light did Isaac Newton support?
Wavelength
What do you call the bouncing of light as it strikes a surface?
Reflection
Which of the following situations will cause light to bend?
When light strikes a surface obliquely and passes from one medium to another.
Why does a black object appear black?
All the components of light are absorbed by the object.
Test your knowledge of motion and friction with this quiz. From the concepts of free fall acceleration and the classes of motion according to Aristotle, to the effects of friction on speed, this quiz covers various aspects of physical science.
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