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Experimental Analysis of Motion with Varying Forces Quiz

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#1

Which of the following is a unit of force in the International System of Units (SI)?

Newton
Explanation

Unit of force in SI system.

#2

When an object is in free fall near the Earth's surface, what is the acceleration due to gravity (approximately)?

9.8 m/s^2
Explanation

Acceleration due to gravity near Earth's surface.

#3

What happens to an object's potential energy as it is lifted higher above the Earth's surface?

It increases.
Explanation

Energy due to position increases.

#4

What is the term for the property of an object to resist changes in its state of motion?

Inertia
Explanation

Tendency to maintain current state of motion.

#5

In experimental analysis of motion, what does the term 'acceleration' represent?

Change in velocity over time
Explanation

Rate of change of velocity.

#6

Which of the following equations represents Newton's second law of motion?

F = ma
Explanation

Relation between force, mass, and acceleration.

#7

What is the relationship between force, mass, and acceleration according to Newton's second law of motion?

Force = mass × acceleration
Explanation

Mathematical relation between force, mass, and acceleration.

#8

What is the SI unit of work and energy?

Joule
Explanation

Unit of energy and work.

#9

What is the relationship between work, force, and displacement?

Work = force × displacement
Explanation

Relation between work, force, and displacement.

#10

What is the SI unit for measuring angular displacement?

Radian
Explanation

Unit for angular displacement.

#11

In the context of varying forces, what is the area under a force vs. displacement graph called?

Work
Explanation

Measure of energy transfer.

#12

Which of the following is a conservative force?

Gravity
Explanation

Force where work done is independent of path.

#13

In a motion with varying forces, what does the term 'power' represent?

Rate of doing work
Explanation

Rate of energy transfer.

#14

Which of the following statements is true about kinetic energy?

It depends on an object's speed.
Explanation

Energy associated with motion.

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