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Questions and Answers
ما هو_Unit_of_measurement_للقوة؟
ما هو risult_مما يسبب تغيير في سرعة جسم؟
ما هو_معدل تغير السرعة؟
ما هو_مقياس مقاومة جسم للتغيرات في حركته؟
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ما هو_تendency_of_an_object_to_resist_changes_in_its_motion؟
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ما هو_علاقة بين القوة والكتلة والتسارع؟
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ما هو_نوع القوة التي تمنع جسم من الحركة؟
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ما هو_نوع من القوى التي تتفاعل مع سطحين متلامسين؟
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Study Notes
Force
- A push or pull that causes an object to change its motion
- Measured in Newtons (N)
- Can be contact force (e.g., friction, normal force) or non-contact force (e.g., gravity, magnetism)
Acceleration
- Rate of change of velocity
- Measured in meters per second squared (m/s²)
- Describes how quickly an object's velocity changes
- Produced by a net force acting on an object
Mass
- Measure of an object's resistance to changes in its motion (inertia)
- Measured in kilograms (kg)
- Does not change, regardless of location or velocity
Inertia
- Tendency of an object to resist changes in its motion
- Objects at rest stay at rest, and objects in motion stay in motion, unless acted upon by an external force
- Directly proportional to an object's mass
Friction
- Contact force that opposes motion between two surfaces
- Types:
- Static friction: prevents an object from moving
- Kinetic friction: opposes an object's motion
- Rolling friction: opposes an object's rolling motion
- Depends on:
- Normal force between surfaces
- Surface roughness
- Velocity of the object
Newton's Second Law of Motion
- F = ma
- Force (F) is equal to the mass (m) of an object multiplied by its acceleration (a)
- Describes the relationship between force, mass, and acceleration
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Description
Test your understanding of forces, motion, and Newton's laws. Evaluate your knowledge of mass, inertia, friction, and acceleration.
