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WorksheetsMotion_LS_1
Total questions: 33
Worksheet time: 28mins
Distance is a _____ quantity
Scalar
Vector
State whether distance is a scalar or a vector quantity.
Scalar
Vector
Vocabulary Check:
What is a measurement of how far you have traveled from your original position? (has direction)
Distance
Displacement
Speed
Distraction
Vocabulary Check:
What is the difference between speed and velocity
Speed is based on time and velocity is not
Velocity has distance and speed does not
Speed has direction
Velocity has direction
In order to calculate speed, first I need to know the units. Standard units for speed are _?
(a)
Juan ran 72 m across the football field in 8 seconds. What was his speed?
8 m/s
576 m/s
7 m
9 m/s
Steve runs 20 m North in 4 seconds. What is his velocity
5 m/s
4 m/s south
5 m/s south
5 m/s north
If a car is going 125 m/s for 13 seconds, how far does it go?
9.61 meters
1625 meters
1562 seconds
138 m/s
A boat is going 87 m/s. How long will it take him to go 1 km? (Hint: convert km to meters)
.087 seconds
11.49 seconds
.0087 seconds
87,000 seconds
Convert 20 m/sec into km/hr.
72 km/hr
129.6 km/hr
Convert 36 m/sec into km/hr.
72 km/hr
129.6 km/hr
1 m/s = ____
3.6 km/h
2.4 km/h
5.5 km/h
Convert 72 km/hr into m/sec
72 m/s
129.6 m/sec
20 m/sec
Convert 45 m/sec into km/hr.
72 km/hr
129.6 km/hr
162 km/hr
What name is given to the speed in a specified direction ?
speed
velocity
Difference between Speed and Velocity. What is the first statement of the audio clip?
Speed is the distance travelled by an object in a given interval of time.
Velocity is the displacement of an object in a given interval of time.
Speed = distance / time
Velocity = displacement / time
Speed is scalar quantity i.e. it has only magnitude.
Difference between Speed and Velocity. What is the second statement of the audio clip?
Velocity is vector quantity i.e. it has both magnitude as well as direction.
Velocity is the displacement of an object in a given interval of time.
Speed = distance / time
Velocity = displacement / time
Speed is scalar quantity i.e. it has only magnitude.
Difference between Speed and Velocity. What is the third statement of the audio clip?
Velocity is vector quantity i.e. it has both magnitude as well as direction.
Velocity is the displacement of an object in a given interval of time.
Speed = distance / time
Velocity = displacement / time
Speed is scalar quantity i.e. it has only magnitude.
Difference between Speed and Velocity. What is the
Fourth statement of the audio clip?
Velocity is vector quantity i.e. it has both magnitude as well as direction.
Velocity is the displacement of an object in a given interval of time.
Speed = distance / time
Velocity = displacement / time
Speed is scalar quantity i.e. it has only magnitude.
Difference between Speed and Velocity. What is the
Fifth statement of the audio clip?
Velocity is vector quantity i.e. it has both magnitude as well as direction.
Velocity is the displacement of an object in a given interval of time.
Speed = distance / time
Velocity = displacement / time
Speed is scalar quantity i.e. it has only magnitude.
Difference between Speed and Velocity. What is the
Sixth statement of the audio clip?
Velocity is vector quantity i.e. it has both magnitude as well as direction.
Velocity is the displacement of an object in a given interval of time.
Speed = distance / time
Velocity = displacement / time
Speed is scalar quantity i.e. it has only magnitude.
Give two examples of bodies having non-uniform motion
Motion of a bus on a road
Motion of a racing horse
If a car covers 10 meters in first two seconds, and 15 meters in next two seconds.
The motion of a train.
Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time taken’ to travel that distance
Speed
Velocity
The _______ of a car measures instantaneous speed of the car.
Speedometer
Odometer
________ is a device used to record the distance travelled by the car.
Speedometer
Odometer
Name the physical quantity which gives us an idea of how slow or fast a body is moving.
Speed
Velocity
In addition to speed, what else should we know to predict the position of a moving body ?
Direction
Depth
Slope
Speed =
distance covered
distance covered X time taken
distance covered / time taken
time taken / distance covered
A body moves with a constant speed such as the motion of earth around the sun.
Uniform motion
Non-uniform motion
Motion a body moves with a variable speed such as a Horse running in the race.
Uniform motion
Non-uniform motion
When the object moves in a single straight line, the magnitude of average velocity equal to average speed.
True
False
Which of the two can be :zero under certain conditions
average speed of a moving body
average velocity of a moving body
Distance vs. Displacement
Let's understand the difference between distance and displacement with the help of an illustration.
Imagine an athlete running along a circular track of radius r in a clockwise direction. They start from point A and finish at the same point.
Distance Covered: The distance covered by the athlete is equal to the circumference of the track, which is 2πr.
Displacement: Is there any change in position when the athlete comes back to A? No. There's no change in the athlete's position because the final and initial positions are the same. Therefore, the displacement is equal to zero.
Now, let's calculate the distance covered and the displacement if the athlete stops at point B, which is diametrically opposite point A.
Distance Covered: The distance covered by them would be equal to half the circumference of the circle.
Displacement: The displacement, being the shortest distance between the initial and final positions, is equal to the diameter of the circle.
In conclusion:
Distance: The distance covered by a moving body is the actual length of the path it covers, regardless of the direction.
Displacement: Displacement can be defined as the shortest distance between the initial position and the final position of the moving body. It can also be thought of as the distance covered in a particular direction.
Distance: It is a measure of the interval between two locations. Distance is a scalar measure of the interval between two locations measured along the actual path connecting them. Displacement: It is a vector measure of the interval between two locations measured along the shortest path connecting them. Difference Between Distance and Displacement There are two ways to answer this question. On the one hand, there's the sum of the smaller motions that I made: two meters east, two meters south, two meters west; resulting in a total walk of six meters. On the other hand, the end point of my walk is two meters to the south of my starting point. So which answer is correct? Well, both. The question is ambiguous and depends on whether the questioner meant to ask for the distance or displacement. Distance is a actual path traversed by the body irespective of its direction taken where as displacement gives shotest distance between two points specifying the short length direction.
What is the main difference between distance and displacement?
Distance is scalar while displacement is vector.
Distance is the actual path, while displacement is the shortest path between the initial and final positions.
Distance is always positive while displacement can be negative.
Distance is measured in meters while displacement is measured in kilometers.
What is displacement?
A scalar measure of the interval between two locations
A vector measure of the interval between two locations along the shortest path connecting them
The total distance traveled between two locations
The speed at which an object moves between two locations
What is distance in the context of a moving body?
The actual length of the path covered by a moving body, regardless of direction
The shortest path between two points
The change in position of a moving body
The speed at which a body is moving
What is displacement?
The shortest distance between the initial and final positions of a moving body
The total distance traveled by a moving body
The speed of a moving body
The direction of motion of a moving body
What type of track is the athlete running on in the content?
Rectangular track
Oval track
Straight track
Triangular track
What is distance?
A scalar measure of the interval between two locations along the actual path connecting them
A vector measure of the interval between two locations along the actual path connecting them
A measure of the time taken to travel between two locations
A measure of the speed at which two locations are connected
Imagine an athlete running along a circular track of radius r in a clockwise direction. They start from point A and finish at the same point. What is the distance covered?
Distance covered by an athelete is 2πr. What is 2πr?
An athlete runs along a circular track and finishes at the starting point. What is the athlete's displacement?
Which term describes the actual length of the path covered by a moving body, regardless of direction?
What is the distance covered by the athlete running along a circular track of radius r in a clockwise direction?
If the athlete stops at point B, diametrically opposite to point A, what is the distance covered?
1/2 * π * radius
What is πr refer to?
Half the circumference of a circle
What is displacement defined as?
The shortest distance between initial and final positions
What is the distance covered by the athlete running along a circular track of radius r in a clockwise direction?
When the athlete completes a full lap on the circular track, what is their displacement?
If the athlete stops at point B, diametrically opposite to point A, what is the distance covered?
1/2 π * radius
π * radius
Distance: The distance covered by a moving body is the _____ of the path it covers, regardless of the __________.
(a)
