Friction-Force of Friction [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 2 of 2
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Question 1
Question MCQ▾
Force of friction is defined as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Opposing force which comes into play whenever there is relative motion between two bodies. | |
b. | The area of two surfaces in contact | |
c. | Friction which comes into play when a body slides over another body | |
d. | Substances which reduce friction |
Question 2
Question MCQ▾
The force which will apply a reaction is:
Choices
Choice (4) | Response | |
---|---|---|
a. | Relative motion | |
b. | Area of contact | |
c. | Point of contact | |
d. | Force of friction |