School Olympiads - National Science Olympiad (NSO)

Physical vs Chemical Changes & Rusting question bank (Class 7 & 8 - Applied Physics, Chemistry & Biology)

Practice 3 free School Olympiads - National Science Olympiad (NSO) Class 7 & 8 - Applied Physics, Chemistry & Biology - Physical vs Chemical Changes & Rusting questions with answers and step-by-step solutions.

Q1.
A body of mass $8\text{ kg}$ moves under a constant force of $50\text{ N}$ in a laboratory experiment on Physical vs Chemical Changes & Rusting. What is the acceleration produced in $\text{m/s}^2$?

(A)
{'key': 'A', 'text': '6 m/s²'}
(B)
{'key': 'B', 'text': '12 m/s²'}
(C)
{'key': 'C', 'text': '9 m/s²'}
(D)
{'key': 'D', 'text': '4 m/s²'}
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Q2.
A body of mass $36\text{ kg}$ moves under a constant force of $190\text{ N}$ in a laboratory experiment on Physical vs Chemical Changes & Rusting. What is the acceleration produced in $\text{m/s}^2$?

(A)
{'key': 'A', 'text': '5 m/s²'}
(B)
{'key': 'B', 'text': '10 m/s²'}
(C)
{'key': 'C', 'text': '8 m/s²'}
(D)
{'key': 'D', 'text': '3 m/s²'}
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