Motion and Force

A. due to their shape
B. due to air resistance
C. due to angle of projection
D. all of these

A. force
B. impulse
C. velocity
D. both A and C

A. 45
B. 60
C. 30
D. none

A. second law of motion
B. third law of motion
C. first law of motion
D. law of gravitation

A. 4.9 m
B. 19.6 m
C. 39.2 m
D. 44.1 m

A. tan-1 ¼
B. tan-1 4
C. tan-1 ½
D. tan-1 2

A. 1st law of motion
B. 2nd law of motion
C. Law of conservation of momentum
D. law of conservation of energy

A. H=gT2/8
B. H=8T2/g
C. H=8g/T2
D. H=gT2

A. straight inclined line.
B. parabola
C. inclined curve
D. declined curve

A. Centripetal force
B. Gravitational force
C. Their inertia
D. Centrifugal force