291. A spring balance reads a 100 N body as 200 N. If the mass of a body is 10 kg, then, at that point, the extent of speed increase is:
A. 8 m/s²
B. 16 m/s²
C. 10 m/s²
D. 20 m/s²
292. A 100 kg mass attached to a spring balance accelerates upward with 10 m/s². The spring balance reads the weight equal to:
A. 98 N
B. 980 N
C. 1980 N
D. -20 N
293. Two astronauts in a satellite orbiting around the earth in a circular orbit must have:
A. Same masses
B. Same apparent weights
C. Same real weights
D. Same height
294. The apparent weight of a mass 1 kg falling freely is:
A. 1 N
B. Zero
C. 9.8 N
D. 98 N
295. The S.I unit of viscosity is:
A. Poise
B. Pascal
C. Poiseuille
D. None of these
296. When a horse pulls a wagon, the force that causes the horse to move forward is the force?
(A) He exerts on the ground
(B) The wagon exerts on him
C) The ground exerts on him
(D) He exerts on the wagon
297. All natural processes are?
A) Irreversible
(B) Reversible
(C) Non-Dissipative
(D) Cyclic
298. What is the system international unit of specific heat capacity?
(A) J/kg K
(B) J/K
C) J/Kg
(D) J kg/K
299. In thermodynamics, work done by the system is taken as?
(A) Zero
B) Positive
(C) Negative
(D) None of the above
300. Type of work which cannot be described in macroscopic thermodynamics?
(A) Adiabatic work
(B) External work
(C) Hydrostatic work
D) Internal work
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