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Chapters
1: The Living World : Adaptations and Classification
2: Plants : Structure and Function
3: Properties of Natural Resources
4: Nutrition in Living Organisms
5: Food Safety
Part 2
6: Measurement of Physical Quantities
▶ 7: Motion, Force and Work
8: Static Electricity
9: Heat
10: Disaster Management
Part 3
11: Cell Structure and Micro-organisms
12: The Muscular System and Digestive System in Human Beings
13: Changes – Physical and Chemical
14: Elements, Compounds and Mixtures
15: Materials we Use
Part 4
16: Natural Resources
17: Effects of Light
18: Sound: Production of Sound
19: Properties of a Magnetic Field
20: In the World of Stars
![Balbharati solutions for जनरल साइंस इंटेगरटेड [अंग्रेजी] कक्षा ७ महाराष्ट्र राज्य बोर्ड chapter 7 - Motion, Force and Work - Shaalaa.com](/images/general-science-integrated-english-standard-7-maharashtra-state-board_6:1a7909bded2440d489cdba0178974df1.jpg "Balbharati solutions for जनरल साइंस इंटेगरटेड [अंग्रेजी] कक्षा ७ महाराष्ट्र राज्य बोर्ड chapter 7 - Motion, Force and Work")
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Solutions for Chapter 7: Motion, Force and Work
Below listed, you can find solutions for Chapter 7 of Maharashtra State Board Balbharati for जनरल साइंस इंटेगरटेड [अंग्रेजी] कक्षा ७ महाराष्ट्र राज्य बोर्ड.
Balbharati solutions for जनरल साइंस इंटेगरटेड [अंग्रेजी] कक्षा ७ महाराष्ट्र राज्य बोर्ड 7 Motion, Force and Work Exercise [Page 87]
Fill in the blanks with the proper words from the brackets.
If a body traverses a distance in direct proportion to the time, the speed of the body is ______.
stationary
zero
changing
constant
displacement
velocity
speed
acceleration
stationary but not zero
increases
If a body is moving with a constant velocity its acceleration is ______.
stationary
zero
changing
constant
displacement
velocity
speed
acceleration
stationary but not zero
increases
______ is a scalar quantity.
Stationary
Zero
Changing
Constant
Displacement
Velocity
Speed
Acceleration
Stationary but not zero
Increases
______ is the distance traversed by a body in a particular direction in unit time.
stationary
zero
changing
constant
displacement
velocity
speed
acceleration
stationary but not zero
increases
Observe the figure and answer the questions.
Sachin and Sameer started on a motorbike from place A, took the turn at B, did a task at C, travelled by the route CD to D and then went on to E. Altogether, they took one hour for this journey.
Find out the actual distance traversed by them and the displacement from A to E. From this, deduce their speed.
What was their velocity from A to E in the direction AE?
Can this velocity be called average velocity?
From the groups B and C, choose the proper words, for each of the words in group A.
| A | B | C |
| Work | Newton | erg |
| Force | Metre | cm |
| Displacement | Joule | dyne |
A bird sitting on a wire, flies, circles around and comes back to its perch. Explain the total distance it traversed during its flight and its eventual displacement.
Explain the following concept in your own words with everyday examples:
Force
Explain the following concept in your own words with everyday examples:
Work
Explain the following concept in your own words with everyday examples:
Displacement
Explain the following concept in your own words with everyday examples:
Velocity
Explain the following concept in your own words with everyday examples:
Acceleration
Explain the following concept in your own words with everyday examples:
Distance
A ball is rolling from A to D on a flat and smooth surface. Its speed is 2 cm/s. On reaching B, it was pushed continuously up to C. On reaching D from C, its speed had become 4 cm/s. It took 2 seconds for it to go from B to C. What is the acceleration of the ball as it goes from B to C?
A force of 1000 N was applied to stop a car that was moving with a constant velocity. The car stopped after moving through 10 m. How much is the work done?
A cart with mass 20 kg went 50 m in a straight line on a plain and smooth road when a force of 2 N was applied to it. How much work was done by the force?
Solutions for 7: Motion, Force and Work
Balbharati solutions for जनरल साइंस इंटेगरटेड [अंग्रेजी] कक्षा ७ महाराष्ट्र राज्य बोर्ड chapter 7 - Motion, Force and Work
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Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Balbharati textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in जनरल साइंस इंटेगरटेड [अंग्रेजी] कक्षा ७ महाराष्ट्र राज्य बोर्ड chapter 7 Motion, Force and Work are Force and Motion, Distance and Displacement, Acceleration and Retardation, Newton's First Law of Motion, Types of Speed, Types of Velocity, Force and Accleration, Force, displacement and work, Speed and Velocity.
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