MCQ Collection
MDCAT Physics MCQs
Practice MDCAT Physics questions with answers and explanations.
Choose an option to check your answer.
A.
-36 N·s
B.
-18 N·s
C.
-9 N·s
D.
-17 N·s
Show Answer
Correct Answer: B. -18 N·s
Explanation:
Impulse equals change in momentum, J = m(v−u).
Choose an option to check your answer.
A.
12 m/s
B.
6 m/s
C.
3 m/s
D.
7 m/s
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Correct Answer: B. 6 m/s
Explanation:
Conservation of mass for steady incompressible flow gives A₁v₁=A₂v₂.
Choose an option to check your answer.
A.
40 N·s
B.
10 N·s
C.
20 N·s
D.
21 N·s
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Correct Answer: C. 20 N·s
Explanation:
Impulse equals change in momentum, J = m(v−u).
Choose an option to check your answer.
A.
Not perfectly elastic
B.
Perfectly inelastic
C.
No collision occurred
D.
Perfectly elastic
Show Answer
Correct Answer: D. Perfectly elastic
Explanation:
For a perfectly elastic one-dimensional collision, relative speed of approach equals relative speed of separation.
Choose an option to check your answer.
A.
Not perfectly elastic
B.
Perfectly elastic
C.
Perfectly inelastic
D.
No collision occurred
Show Answer
Correct Answer: A. Not perfectly elastic
Explanation:
For a perfectly elastic one-dimensional collision, relative speed of approach equals relative speed of separation.
Choose an option to check your answer.
A.
Not perfectly elastic
B.
Perfectly elastic
C.
Perfectly inelastic
D.
No collision occurred
Show Answer
Correct Answer: B. Perfectly elastic
Explanation:
For a perfectly elastic one-dimensional collision, relative speed of approach equals relative speed of separation.
Choose an option to check your answer.
A.
Perfectly elastic
B.
Perfectly inelastic
C.
Not perfectly elastic
D.
No collision occurred
Show Answer
Correct Answer: C. Not perfectly elastic
Explanation:
For a perfectly elastic one-dimensional collision, relative speed of approach equals relative speed of separation.
Choose an option to check your answer.
A.
200 J
B.
50 J
C.
101 J
D.
100 J
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Correct Answer: D. 100 J
Explanation:
Work is the scalar product W = Fd cosθ.
Choose an option to check your answer.
A.
20 J
B.
40 J
C.
10 J
D.
21 J
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Correct Answer: A. 20 J
Explanation:
Work is the scalar product W = Fd cosθ.
Choose an option to check your answer.
A.
0.1 J
B.
0 J
C.
3 J
D.
4 J
Show Answer
Correct Answer: B. 0 J
Explanation:
Work is the scalar product W = Fd cosθ.
Choose an option to check your answer.
A.
173.2 J
B.
43.3 J
C.
86.6 J
D.
87.6 J
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Correct Answer: C. 86.6 J
Explanation:
Work is the scalar product W = Fd cosθ.
Choose an option to check your answer.
A.
-180 J
B.
-45 J
C.
-89 J
D.
-90 J
Show Answer
Correct Answer: D. -90 J
Explanation:
Work is the scalar product W = Fd cosθ.
