A. power
B. impulse
C. work
D. momentum
Related Mcqs:
- One Joule is equivalent to________________?
A. 9.81 Newton – metre
B. 1 Newton – metre
C. 1 kg wt – metre
D. 1 dyne – metre - The ratio of unit of force in gravitational system to that in absolute system is__________________?
A. 1
B. g
C. 1/g
D. none of the above
where ‘g’ is acceleration due to gravity - The unit of rotational inertia of a body in C.G.S system is________________?
A. cm4
B. kg-cm2
C. gm-cm2
D. gm-cm3 - A block in the shape of a parallelopiped of sides lm x 2m x 3m lies on the surface. Which of the faces gives maximum stable block ?
A. 1 m x 2 m
B. 2 m x 3 m
C. 1 m x 3m
D. equally stable on all faces - For a given velocity of a projectile, the range is maximum when the angle of projection is___________________?
A. 30°
B. 45°
C. 90°
D. 0° - A heavy ladder resting on floor and against a vertical wall may not be in equilibrium if________________?
A. floor is smooth and wall is rough
B. floor is rough and wall is rough
C. both floor and wall are rough
D. both floor and wall are smooth - If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?
A. be in equilibrium
B. always reduce to a resultant force
C. always reduce to a couple
D. both (A) and (C) - The condition of equilibrium for any system of forces in a plane is____________________?
A. that polygon of forces must close
B. that resultant couple must be zero
C. both (A) and (B)
D. none of the above - Coefficient of friction depends on__________________?
A. nature of surfaces only
B. area of contact only
C. both (A) and (B)
D. none of the above - A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?
1) 1.0 in from the wall
2) 1.732 m from the wall
3) 1.0 m above the floor
4) 1.732 m above the floor
The correct answer is?A. (1) and (3)
B. (1) and (4)
C. (2) and (3)
D. (2) and (4)
