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Questions and Answers
What is the unit of force according to Newton's second law?
What is the unit of force according to Newton's second law?
- 1 N = 1 kg.m/s3
- 1 N = 1 kg.m/s4
- 1 N = 1 kg.m/s
- 1 N = 1 kg.m/s2 (correct)
Which law states 'The acceleration of an object is DIRECTLY PROPORTIONAL to the net force acting on it, is in the same direction as the net force, and is INVERSELY PROPORTIONAL to its mass'?
Which law states 'The acceleration of an object is DIRECTLY PROPORTIONAL to the net force acting on it, is in the same direction as the net force, and is INVERSELY PROPORTIONAL to its mass'?
- Newton's second law (correct)
- Law of Inertia
- Newton's third law
- Newton's first law
Which force acts parallel to the surface opposite to the direction of motion of the body?
Which force acts parallel to the surface opposite to the direction of motion of the body?
- Tension force
- Air resistance force
- Friction force (correct)
- Net force
What property of an object is roughly a measure of its inertia?
What property of an object is roughly a measure of its inertia?
Which diagram is used to show the relative magnitude and direction of all forces acting upon an object in a given situation?
Which diagram is used to show the relative magnitude and direction of all forces acting upon an object in a given situation?
Which type of force is exerted on an object by a surface it is in contact with?
Which type of force is exerted on an object by a surface it is in contact with?
What is the direction of the normal force exerted by a surface on an object?
What is the direction of the normal force exerted by a surface on an object?
Which force is a downward gravitational force exerted by Earth on an object?
Which force is a downward gravitational force exerted by Earth on an object?
What does the term 'Fapp' represent in the context of forces?
What does the term 'Fapp' represent in the context of forces?
In the context of forces, what does 'Dynamics' refer to?
In the context of forces, what does 'Dynamics' refer to?
Flashcards
Unit of Force
Unit of Force
1 N = 1 kg.m/s², according to Newton's second law.
Newton's Second Law
Newton's Second Law
States that acceleration is directly proportional to net force, and inversely proportional to mass.
Friction Force
Friction Force
A force that acts parallel to a surface, opposite to motion.
Inertia Measure
Inertia Measure
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Free-Body Diagram
Free-Body Diagram
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Normal Force
Normal Force
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Direction of Normal Force
Direction of Normal Force
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Gravity Force
Gravity Force
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Applied Force (Fapp)
Applied Force (Fapp)
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Dynamics
Dynamics
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