Force and Motion — Physics MCQs (Class 11)
Free chapter-wise Physics MCQs with answers for MDCAT, FSc and entry tests.
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#9 Six blocks, each of mass 'm' are pushed along a frictionless surface with a force 'p'. The force exerted by a block 1 on 2 diagram
A) 5/6 p
B) 3/4 p
C) p
D) 6/5 p
#10 A body of mass 2kg moves with an acceleration of 20m/sec, the rate of change of momentum is
A) 40 kgm/s2
B) 10 kgm/s2
C) 10 kgms2
D) 1 kgm/s2
#11 When a projectile is at highest point, the direction of its velocity and acceleration is
A) Parallel to each other
B) Anti parallel
C) Perpendicular to each other
D) Inclined at an angle of 45°
#12 If an object is moving with a constant acceleration then net force acting on it is
A) Constant
B) Zero
C) Increasing
D) Decreasing
#13 If an object is moving with a constant acceleration then net force acting on it is
A) Constant
B) Zero
C) Increasing
D) Decreasing
#14 A net force accelerates a mass with acceleration 'a', if the same force is applied to m/2, then acceleration will be
A) 4a
B) 2a
C) a/2
D) a/4
#15 Projectile has maximum range of 20m when prohected with velocity 'v', if it is prohected at angle of 15° with same velocity 'v' than its range is
A) 20m
B) 15m
C) 10m
D) 5m
#16 The speed of car at different interval is given by
20m/sec for 2.0sec
40m/sec for 2.0sec
60m/sec for 6.0sec
The average speed of car is
A)12m/sec
B) 13.3m/sec
C) 40m/sec
D) 48m/sec
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