If the resultant of two forces has the same magnitude as either of the force, then the angle between the two forces is____________________?

A. zero potential energy and maximum kinetic energy
B. zero kinetic energy and maximum potential energy(Correct)
C. maximum kinetic energy and maxi-mum potential energy
D. minimum kinetic energy and minimum potential energy

A. force and pressure
B. mass and power(Correct)
C. energy and velocity
D. force and velocity

A. sphere with greater rotational energy at bottom than cylinder
B. sphere with lesser rotational energy at bottom than cylinder (Ccrrect)
C. cylinder with greater rotational energy at bottom than sphere
D. both reach the bottom simultaneously with equal rotational energy at bottom

A. y = c cosh x/c(Correct)
B. y = c sinh x/c
C. y = c tan x/c
D. y = c sin”1 x/c

A. 109.5 mm from A(Correct)
B. 119.5 mm from A
C. 125.5 mm from A
D. 132.5 mm from A