Mix — Physics MCQs (FSc / Matric)
Free chapter-wise Physics MCQs with answers for MDCAT, FSc and entry tests.
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#33 The force on a body varies with time as a triangle, peaking at 100 N over a total of 0.2 s. The impulse delivered is:
A) 20 N s
B) 10 N s
C) 100 N s
D) 5 N s
#34 A 2 kg ball moving at 4 m/s strikes a stationary 3 kg ball head-on. Afterwards the 2 kg ball keeps moving forward at 1 m/s. The velocity of the 3 kg ball is:
A) 2 m/s
B) 1 m/s
C) 3 m/s
D) 6 m/s
#35 Newton 3rd law of motion is for bodies that are
A) In motion
B) At rest
C) Both A & B
D) None of these
#36 When a car moves with constant velocity the net force on it is.
A) Up
B) Down
C) Left
D) Zero
#37 A body of mass 0.5kg starts from rest (at t=0) and experiences a force F = 8i + 6j. What will be its velocity at t=1?
A) 13 m/s
B) 20 m/s
C) 17 m/s
D) 25 m/s
#38 If force of 2.5N changes the velocity from 50m/s to 100m/s in time 50sec, the mass of the body?
A) 5kg
B) 2.5kg
C) 1kg
D) 10kg
#39 A body of mass m1 moving with 8m/s and another mass m2 moving 5m/s along the same direction. Speed of the colliding bodies after collision may be
A) 2m/s and 6m/s
B) 3m/s and 4m/s
C) 10m/s and 11m/s
D) 6m/s and 9m/s
#40 A ball is thrown vertically upward with a velocity of 10 m/s. How high did the ball rise?
A) 9.8m
B) 5.1m
C) 17m
D) None
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