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untittled flashcard

Assessment

Flashcard

Physics

12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

Definition of Normal Force

Back

The force exerted by a surface to support the weight of an object, acting perpendicular to the surface.

2.

FLASHCARD QUESTION

Front

What is Newton's First Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

3.

FLASHCARD QUESTION

Front

What is the formula for calculating gravitational force?

Back

F = G * (m1 * m2) / r^2, where F is the gravitational force, G is the gravitational constant, m1 and m2 are the masses, and r is the distance between the centers of the two masses.

4.

FLASHCARD QUESTION

Front

Define Kinetic Energy.

Back

The energy that an object possesses due to its motion, calculated as KE = 1/2 mv^2, where m is mass and v is velocity.

5.

FLASHCARD QUESTION

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

6.

FLASHCARD QUESTION

Front

Define Work in physics.

Back

Work is done when a force causes displacement, calculated as W = F * d * cos(θ), where W is work, F is force, d is displacement, and θ is the angle between the force and displacement.

7.

FLASHCARD QUESTION

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

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