Uniformly Accelerated Motion and its Relations, Velocity-Time, Position-Time Graph NEET Questions

Physics - Kinematics

Uniformly Accelerated Motion and its Relations, Velocity-Time, Position-Time Graph MCQ Questions


13.
For uniformly accelerated motion, average velocity equals:
A.
(vā‚€ + v)/2
B.
vā‚€ + at
C.
vā‚€ only
D.
v only
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ANSWER :
A. (vā‚€ + v)/2
14.
A body falls from rest. Distances in successive equal time intervals are in ratio:
A.
1:2:3:4
B.
1:4:9:16
C.
1:3:5:7
D.
2:4:6:8
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ANSWER :
C. 1:3:5:7
15.
Which of the following velocity-time graphs represents a uniformly accelerated motion?

NEET - 2020

A.
Graph with a straight line parallel to the time axis
B.
Graph with a straight line inclined to the time axis
C.
Graph with a curve
D.
Graph with a zigzag line
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ANSWER :
B. Graph with a straight line inclined to the time axis
16.
An object moving with positive velocity has negative acceleration. On the v-t graph, this appears as:
A.
A line with positive slope
B.
A horizontal line
C.
A line with negative slope
D.
A parabola
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ANSWER :
C. A line with negative slope
17.
A train decelerates from 72 km/h to rest in 200 m. What is the deceleration? (72 km/h = 20 m/s)
A.
1 m/sĀ²
B.
2 m/sĀ²
C.
0.5 m/sĀ²
D.
4 m/sĀ²
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ANSWER :
A. 1 m/sĀ²
18.
The slope of a position-time (x-t) graph gives:
A.
Acceleration
B.
Displacement
C.
Velocity
D.
Distance
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ANSWER :
C. Velocity