51. Which of the following is not an effect of unbalanced force applied to an object?
52. If displacement is horizontal to the applied force, then work done is-
53. What is represented by the product of force with displacement in the direction of force?
54. If the work done is zero, then the angle between force and displacement is-
55. An object is dropped from a certain height to the ground. When it touches the ground it will contain-
56. If a body is whirled in a circle the work done on it . . . . . . . .
57. When a man pushes a wall but fails to displace it, it does?
58. If momentum (p) and velocity (v) are given, the formula used to find mass (m) will be:
59. Which of the following quantity measures the inertia of a body?
60. Density of pure water is . . . . . . . . that of saline water.
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