Question

(a)Teena wants to measure the weight of a book.
Which instrument she should use to measure weight of the book?
How does this instrument help to measure weight?
B) Saurabh and his friends were playing the game of tug of war.
( Identify the type of contact force acting on the rope.
(ii) The forces acting on the rope were not the same. State the
effect on the rope.​

Answer 1

Answer:

It is a Half yearly Exam

Explanation:

Do it by yourself you should have studied a day earlier

Answer 2

Answer:

a) A scale

Explanation:

because a scale have the measurement printed on it which helps us measuring many things

B) Resultant force is nothing but the total force acting on a body including their directions. If the object is at rest or it moves with a same velocity, the resultant force should be zero. All forces are acting on same direction, resultant force should be the sum of all the forces.