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MCQ Questions for CBSE Class 12 with Answers
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Kinematics Class 9 MCQ Questions With Answers
1.
Velocity is different from speed because..
Velocity is distance/time. Speed is displacement/time.
Velocity is speed in a certain direction and can be positive or negative.
Speed is velocity in a certain direction. Both can only be positive.
Velocity is how much speed changes over time.
2.
What two measurements are necessary for calculating speed?
Mass and time
Temperature and mass
Mass and distance
Distance and time
3.
Avery likes to walk 30 feet in 10 seconds. What is her speed?
3 feet/sec
6 feet/sec
10 feet/sec
2 feet/sec
4.
This chart represents the velocity of a motorcycle over time. Select the correct statement regarding the motorcycle's movement.
The motorcycle is speeding up.
The motorcycle has 0 acceleration.
The motorcycle is slowing down.
The motorcycle has constant acceleration.
5.
The height of an individual step on a staircase is closest to
2.0 m
2.0 cm
20 cm
20 mm
6.
Calculate the speed of a sprinter who ran 200 meters in 20 seconds.
10m/s
10km/s
10m/hr
10km/hr
7.
What is this graph representing?
Constant Speed
Acceleration (speeding up)
Deceleration (slowing down)
No motion
8.
What motion is represented by the speed-time graph?
Travelling at constant speed, then decelerating.
Accelerating, then decelerating.
Accelerating, then travelling at constant speed.
Traveling at constant speed, then stopping
9.
What is happening at D?
Stationary
Accelerating
Fast steady speed; moving away from the starting position
Slower steady speed; moving away from the starting position
10.
A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south. What is the magnitude and direction of the car's resultant displacement
40 metres, South
50 metres, South
50 metres, North
40 metres, North
11.
What is the person doing from 5 seconds to 10 seconds?
Walking
Running
Standing Still
Walking Fast
12.
What is speed?
how far you go
how much distance is covered over a period of time
how fast you accelerate
the change in the location of a object
13.
The fastest trains are magnetically levitated above the rails to avoid friction (and are therefore calledMagLev trains...cool, huh?). The fastest trains travel about 250 km in a half an hour. What is theiraverage speed in km/hour?
250 km/hr
500 km/hr
125 km/hr
14.
Which of the following statements about speed and velocity is correct?
Velocity only describes an object’s rate of motion.
Speed describes how an object is changing its velocity.
Speed and velocity both describe how an object is speeding up.
Only velocity includes the direction an object is traveling.
15.
The graph below represents
Speed
Velocity
Acceleration
Deceleration
16.
You run from your house to a friend's house that is 3 km away. You then walk home. The distance you traveled is 6 km. What is your displacement?
6 km
0 km
17.
A car is traveling south for 250 meters over the course of 100 seconds. What was the car's average velocity?
0.4 m/s south
0.4 m/s
2.5 m/s
2.5 m/s south
18.
A hummingbird averages a speed of about 45 km/hour (Cool facts: They visit up to 1000 flowers per day, and reach maximum speed, while diving, up to 160 km/hour!). Ruby-throated hummingbirds take a non-stop trip across Gulf of Mexico in which they fly for 18 hours straight! How far is the trip across the Gulf of Mexico at their average speed?
810 km
2.5 km
3.6 km
360 km
19.
The graph represents
Acceleration
No motion
Deceleration
Constant Velocity
20.
Which of the following terms describes a Vector and it's proper units?
position in seconds
distance in meters
speed in hours
velocity in m/s
21.
Horse A is running East at a speed of 6 m/s. Horse B is running at a speed of 8 m/s East as it passes Horse A. What is Horse B's velocity relative to Horse A?
14 m/s
-2 m/s
2 m/s
48 m/s
22.
Which graph represents zero acceleration (constant velocity)?
A
B
C
D
23.
In the velocity time graph shown, what does the section of the graph below the time axis refer to?
Object travelling downward
Object traveling in the opposite direction to initial motion
Object traveling upward
24.
What is happening at E?
Stationary
Accelerating
Fast steady speed; moving away from the starting position
Steady speed; returning to start position
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