The collision between two bodies be elastic if bodies are_________________?
A. solid and soft
B. soft and elastic
C. solid and hard
D. hard and elastic
Motion and Force
Which of the following pair has same direction always ?
Which of the following pair has same direction always ?
A. force, displacement
B. force, velocity
C. force, acceleration
D. force, momentum
The dimension of force is____________________?
The dimension of force is____________________?
A. MLT-2
B. ML2T-2
C. ML2T2
D. ML-2T-2
3rd law of motion explains______________________?
3rd law of motion explains______________________?
A. effect of force
B. existence of a force
C. existence of two forces
D. existence of pair of forces in nature
1st law of motion gives the definition of _________________________?
1st law of motion gives the definition of _________________________?
A. rest
B. motion
C. velocity
D. force
Inertia of an object is quantitative measure of its__________________?
Inertia of an object is quantitative measure of its__________________?
A. volume
B. density
C. mass
D. temperature
Instantaneous and average velocities become equal when body___________________?
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
Area under velocity time graph represent_____________________?
Area under velocity time graph represent_____________________?
A. force
B. displacement
C. distance
D. acceleration
A man is in a car is moving with velocity of 36km/hr. His speed with repect to the car is ____________________?
A man is in a car is moving with velocity of 36km/hr. His speed with repect to the car is ____________________?
A. 10m/s
B. 36m/s
C. zero
D. infinite
When body is in motion, ____________ always changes?
When body is in motion, ____________ always changes?
A. its velocity
B. its acceleration
C. its position vector
D. its momentum