A net force is present when _____., all forces are balanced, forces cause a change in motion, A book resting on a table usually shows _____., balanced forces, no gravity, Inertia is the tendency of an object to _____., change motion by itself, resist changes in its state of motion, Galileo argued that without friction, a moving object would _____., . stop immediately, continue moving at constant speed in a straight line, No net force is required to keep an object _____., moving at constant velocity, accelerating forever, When a moving skateboard suddenly stops and the can continues forward, this shows _____., inertia in motion, no motion, A marble moving in a ring follows circular motion because _____., no force acts on it, centripetal force changes its direction, Seatbelts help passengers because during a sudden stop, passengers tend to _____., continue moving forward, move backward automatically, When a coin remains on a finger after a tissue is pulled quickly, the coin tends to remain _____., at rest, invisibleaccelerating upward, If an object accelerates to the right, the net force is most likely directed _____., Left, Right, A fresh egg may be harder to stop spinning because the liquid inside _____., resists changes in motion, . removes gravity, Which situation shows an unbalanced force?, a car speeding up to the right, a bag hanging motionless

Inertia

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Canvia de fonament

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