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Online Short Questions For Chapter 3 "FSC Part 1 Physics Chapter 3 Short Questions Preparation "

Try The Short Questions For FSC Part 1 Physics Chapter 3 Short Questions Preparation

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Physics - FSC Part 1 Physics Chapter 3 Short Questions Preparation

Question # 1

Discuss the sign of acceleration due to gravity relative to velocity,while the object in in air?

  • Ans 1: When the object is thrown vertically upward, it will move against the direction of gravity. The sign of acceleration due to gravity relative to velocity will be taken as negative.When the object is falling downward , it will move along the direction of gravity .
    The sign of acceleration due to gravity relative to velocity will be taken as positive.
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Prepare Complete Set Wise Questions For Chapter 3 "FSC Part 1 Physics Chapter 3 Short Questions Preparation "

FSC Part 1 Physics Chapter 3 Short Questions Preparation - Set 1

Question # 1

Discuss the sign of acceleration due to gravity relative to velocity,while the object in in air?

  • Ans 1: When the object is thrown vertically upward, it will move against the direction of gravity. The sign of acceleration due to gravity relative to velocity will be taken as negative.When the object is falling downward , it will move along the direction of gravity .
    The sign of acceleration due to gravity relative to velocity will be taken as positive.
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FSC Part 1 Physics Chapter 3 Short Questions Preparation - Set 2

Question # 1

Define linear momentum ? Express Newton,s 2nd Law in terms of momentum?

  • Ans 1: pic
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FSC Part 1 Physics Chapter 3 Short Questions Preparation - Set 3

Question # 1

Write solid reasons for the loss of kinetic energy in an inelastic collision.

  • Ans 1: In case of inelastic collision, the loss of kinetic energy is due to
    1. Friction of ball with floor
    2. Friction of ball with air
    3. sound
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FSC Part 1 Physics Chapter 3 Short Questions Preparation - Set 4

Question # 1

What is ballistic missile? Define ballistic trajectory.

  • Ans 1: The missile in which it is given an initial push and is then allowed to move freely due to inertia and under the action of gravity is called ballistic and the path followed by such a projectile is called ballistic trajectory.
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FSC Part 1 Physics Chapter 3 Short Questions Preparation - Set 5

Question # 1

Why Newton's first law of motion is known as law of inertia?

  • Ans 1: Newton's first law of motion is:
    A body at rest will remain at rest and a body moving with uniform velocity will continue to do so unless acted upon by some unbalanced external force.
    It is based on mass and inertia is the quantitative measure of an object's mass. So Newton's first law of motion is also Known as law of inertia.
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FSC Part 1 Physics Chapter 3 Short Questions Preparation - Set 6

Question # 1

Define momentum and write down its unit.

  • Ans 1: pic
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