Dynamics Short and Detailed Question Answers Physics 9th
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Dynamics Short and Detailed Question Answers Physics 9th

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Questions and Answers

In physics, what is the study of the motion of objects called?

Dynamics

Which of the following is a unit of force?

Newton

What is the SI unit of momentum?

Newton-second

What is the SI unit of force?

<p>Newton</p> Signup and view all the answers

Which of the following is a derived unit?

<p>Newton</p> Signup and view all the answers

What is the formula for calculating kinetic energy?

<p>$KE = \frac{1}{2} mv^2$</p> Signup and view all the answers

Which of the following is a vector quantity?

<p>Velocity</p> Signup and view all the answers

What is the SI unit of work and energy?

<p>Joule</p> Signup and view all the answers

Which of the following statements best describes Newton's third law of motion?

<p>For every action, there is an equal and opposite reaction.</p> Signup and view all the answers

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