ICS Part 1 Physics English Medium Chapter 2 Online Short Questions Test with Answers

Online Short Questions For Chapter 2 "ICS Part 1 Physics Chapter 2 Short Questions Test "

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Physics - ICS Part 1 Physics Chapter 2 Short Questions Test

Question # 1

Discuss the condition of equilibrium?

  • Ans 1: There are two condition of equilibrium which are given below.First Condition of equilibrium:According to the first condition of equilibrium, a body is said to be in equilibrium, if the vector sum of all external forces acting on the body is zero they cancel the effect of each other { F = 0In the component form we haveF1y+ F2y + F3y +................ +Fny =0Fy = 0A book lying on the table and paratrooper moving down words with uniform Velocity satisfies the first condition of equilibrium.Second Condition of Equilibrium:According to the condition of equilibrium, a body is said to be in equilibrium on a body is equal to zero.{ T = 0Explanation:There are certain situation in which on extended body will not be in equilibrium even when the first condition of equilibrium is satisfied. For Example, in the two equal forces are acting on a meter rod in opposite direction. As the line of action of these forces are not the same so the meter rod do not remain in state equilibrium and begins to rotate in anti clock wise direction. So the first condition of equilibrium is not sufficient in such a case Under such situations we should arrange the forces on the body in such a way, htat they causes clock-wise torque and anti-clock wise torque acting on the body simultaneously and cancel the effect other.
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Prepare Complete Set Wise Questions For Chapter 2 "ICS Part 1 Physics Chapter 2 Short Questions Test "

ICS Part 1 Physics Chapter 2 Short Questions Test - Set 1

Question # 1

Discuss the condition of equilibrium?

  • Ans 1: There are two condition of equilibrium which are given below.First Condition of equilibrium:According to the first condition of equilibrium, a body is said to be in equilibrium, if the vector sum of all external forces acting on the body is zero they cancel the effect of each other { F = 0In the component form we haveF1y+ F2y + F3y +................ +Fny =0Fy = 0A book lying on the table and paratrooper moving down words with uniform Velocity satisfies the first condition of equilibrium.Second Condition of Equilibrium:According to the condition of equilibrium, a body is said to be in equilibrium on a body is equal to zero.{ T = 0Explanation:There are certain situation in which on extended body will not be in equilibrium even when the first condition of equilibrium is satisfied. For Example, in the two equal forces are acting on a meter rod in opposite direction. As the line of action of these forces are not the same so the meter rod do not remain in state equilibrium and begins to rotate in anti clock wise direction. So the first condition of equilibrium is not sufficient in such a case Under such situations we should arrange the forces on the body in such a way, htat they causes clock-wise torque and anti-clock wise torque acting on the body simultaneously and cancel the effect other.
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ICS Part 1 Physics Chapter 2 Short Questions Test - Set 2

Question # 1

Define and explain vector product ? (or) Cross Product.

  • Ans 1: pic
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ICS Part 1 Physics Chapter 2 Short Questions Test - Set 3

Question # 1

Define and explain vector product ? (or) Cross Product.

  • Ans 1: pic
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ICS Part 1 Physics Chapter 2 Short Questions Test - Set 4

Question # 1

Two vectors have unequal magnitude. Can their sum be zero? Explain.

  • Ans 1: No, the sum of two vectors having unequal magnitudes can't be zero. The sum of two vectors will be zero only when their magnitudes are equal and they act in opposite direction.
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ICS Part 1 Physics Chapter 2 Short Questions Test - Set 5

Question # 1

What is the minimum number of unequal vector in to a null vector?Explain

  • Ans 1: The minimum number of unequal vector to result in to a null vector must be three. If we add three vector of unequal magnitude in such a way that they forms the sides of a triangle, then their resultant must be zero.
    In the given figure three vectors A, B, and C are added according to head to tail rule and they form the side of a triangle. Now for getting their resultant, we will combine the tail of A with the head of C which already coincides each other. Thus we get a null vector or zero vector as a resultant
    R= A+B+C = 0
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ICS Part 1 Physics Short Questions Test

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