a) Define one unit of force
b) Explain what is meant by inertia of an object
Answers
Answer:
Inertia is the resistance of any physical object to any change in its velocity. This includes changes to the object's speed, or direction of motion. ... Thus, an object will continue moving at its current velocity until some force causes its speed or direction to change.
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a) One newton is the force needed to accelerate one kilogram of mass at the rate of one metre per second squared in the direction of the applied force. ... The newton thus became the standard unit of force in the Système international d'unités (SI), or International System of Units. The newton is named after Isaac Newton.
b) Inertia is the resistance of any physical object to any change in its velocity. ... An aspect of this property is the tendency of objects to keep moving in a straight line at a constant speed, when no forces act upon them.