Match the entries in column A with that of in column B. Column A Column B A. Collect a. Vice B. To make surfaces smoother b. Multipurpose tool C. Long pole c. Leveller D. Heavy wooden frame d. Wooden plough

The correct match is shown below. Column A Column B A. Collect b. Multipurpose tool B. To make surfaces smoother a. Vice C. Long pole d. Wooden plough D. Heavy wooden frame c. Leveller Collect is a part of multipurpose tool in which different tools can be fixed. A surface can be made smoother using a file. To hold it we can use the grip of the jaws of a vice. The long pole connects the main plough with the yoke of bullocks. In a leveller, there is a metal strip fixed horizontally on a heavy wooden frame.

E M B I B E

Pearson IIT Foundation Physics>Chapter 7 - Machines and Tools>PRACTICE QUESTIONS (COMPETITION WING)>Q 40

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7th CBSE

IMPORTANT

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Which of the following agricultural tools is used to level the surface of the soil?

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Important Questions on Machines and Tools

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7th CBSE

IMPORTANT

Pearson IIT Foundation Physics>Chapter 7 - Machines and Tools>PRACTICE QUESTIONS (COMPETITION WING)>Q 41

Which of the following is not a workshop tool?

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7th CBSE

IMPORTANT

Pearson IIT Foundation Physics>Chapter 7 - Machines and Tools>PRACTICE QUESTIONS (COMPETITION WING)>Q 42

Which of the following agricultural tool is used to sow the seeds in the field?

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7th CBSE

IMPORTANT

Pearson IIT Foundation Physics>Chapter 7 - Machines and Tools>PRACTICE QUESTIONS (COMPETITION WING)>Q 43

Choose the correct statement in the case of multipurpose tools.

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7th CBSE

IMPORTANT

Pearson IIT Foundation Physics>Chapter 7 - Machines and Tools>PRACTICE QUESTIONS (COMPETITION WING)>Q 44

Which of the following is a modern scientific machine which can perform multiple tasks in agriculture?

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7th CBSE

IMPORTANT

Pearson IIT Foundation Physics>Chapter 7 - Machines and Tools>PRACTICE QUESTIONS (COMPETITION WING)>Q 45

The motion of the handle of the plough while ploughing is _____.

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7th CBSE

IMPORTANT

Pearson IIT Foundation Physics>Chapter 7 - Machines and Tools>PRACTICE QUESTIONS (COMPETITION WING)>Q 46

Match the entries in column A with that of in column B.

Column A	Column B
A. Collect	a. Vice
B. To make surfaces smoother	b. Multipurpose tool
C. Long pole	c. Leveller
D. Heavy wooden frame	d. Wooden plough

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7th CBSE

IMPORTANT

Pearson IIT Foundation Physics>Chapter 7 - Machines and Tools>PRACTICE QUESTIONS (COMPETITION WING)>Q 47

A screw of length $8 cm$ has the pitch of $1 mm$ . In one second, a hammer applied $10 dyne$ force to displace the screw into the wooden block through a distance equal to its pitch. Find the total force required to fix the screw up to its $75 th$ thread in it.