Question

71. 1 Joule 1
A) Nm
B) kg m/s
D) Nim?
72. Which form of energy does the flowing water possess ?
A) gravitational energy
C) electric energy
D) KE
73. A coolie carries a load of 500N to a distance of 100m. The work done by him to )
A) 5N
BO
C) 50.000 Nm
DEN
74. If the speed of an object is doubled then its K.E. is
A) doubled
B) tripled
C) halved
D) quadrupled
75. The type of energy possessed by a simple pendulum when it is at the mean position
()
A) KE
B) PE
C) PEKE
D) Sound energy
76. The energy possessed by a bent bow is
(
A) KE
В) РЕ.
C) Both A&B D) None
77. A man pushes a wall and fails to displace it then
A) work done by him is positive
B) work done by him is negative
C) no work done by him
D) all of the above
Please give me correct answers. I will give you mark as brainlest ​

Answer 1

Answer:

71 A

72 D

73 B

74 A

75 B

76 C

77 D