1) A particle moving with respect to fixed frame of reference is called as __________
a. absolute motion
b. relative motion
c. rectilinear motion
d. none of the above
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Answer
Explanation
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ANSWER: absolute motion
Explanation:
No explanation is available for this question!
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2) A boat sails across a river with a velocity of 10 km/hr. If resultant boat velocity is 14 km/hr, then what is the velocity of river water?
a. 17.20 km/hr
b. 10 km/hr
c. 9.79 km/hr
d. 4.88 km/hr
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Answer
Explanation
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ANSWER: 9.79 km/hr
Explanation:
No explanation is available for this question!
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3) What are the limitations of string law?
a. Direction of motion cannot be specified
b. Valid only when more than three particles are connected by a single string
c. Both a. and b.
d. None of the above
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Answer
Explanation
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ANSWER: Direction of motion cannot be specified
Explanation:
No explanation is available for this question!
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4) Two cars X and Y move on adjacent roads in opposite directions. If velocity of car X and Y is 80 km/hr and 60 km/hr respectively, then what will be the relative velocity of car X w.r.t. Y?
a. 70 km/hr
b. 100 km/hr
c. 140 km/hr
d. Insufficient data
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Answer
Explanation
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ANSWER: 140 km/hr
Explanation:
No explanation is available for this question!
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5) In 5 seconds a body covers a distance of 50 m and in 10 seconds it covers 80 m with uniform acceleration. What is the distance traveled in 15 seconds?
a. 100 m
b. 110 m
c. 1000 m
d. None of the above
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Answer
Explanation
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ANSWER: 110 m
Explanation:
No explanation is available for this question!
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