1st law of motion gives the definition of
A. rest
B. motion
C. velocity
D. force
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Physics
Inertia of an object is quantitative measure of its
A. volume
B. density
C. mass
D. temperature
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Instantaneous and average velocities become equal when body
A. has zero acceleration
B. has uniform acceleration
C. has variable acceleration
D. moves in a circle
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Area under velocity time graph represent
A. force
B. displacement
C. distance
D. acceleration
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When body is in motion, ____________ always changes?
A. its velocity
B. its acceleration
C. its position vector
D. its momentum
When body is in motion, ____________ always changes? Read More »
Linear expansion occurs in_________?
A. solid
B. liquid
C. both
D. none
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The co efficient of linear expansion is equal to
A. ΔL = αLΔT
B. ΔL/LΔT
C. LΔT/ΔL
D. αLΔT-ΔL
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The formula of inter-conversion of centigrade and Fahrenheit scale is___________?
A. c-32/9
B. f -32/9 =c/5
C. f-32/9=c/9
D. none
The formula of inter-conversion of centigrade and Fahrenheit scale is___________? Read More »