What causes an object to move, change direction or change speed?

a balanced force

an unbalanced force

any force exerted on it

A 10 ohm resistor has 5 a current in it. what is the voltage across the resistor?

Mountains are part of which earth sphere? a. cryosphereb. geospherec. hydrosphered. atmosphere

A drag car takes off at the green light in a straight line. The car from 45 m/s to a complete stop in 9 seconds. What is its acceleration? Was it positive or negative?

An ionic bond form when atoms

A battery-operated car moves forward as a result of which device? Electromagnet, generator, motor, or a transformer?

A dc generator is the same as a (n) a. electric motor. b. ac generator. c. armature. d. electric current.

Which of the following best describes scientific knowledge A.) Durable B.) Absolute and never changing C.) Frequently varies

Beth made the chart shown. A 2-column table with 1 row. The first column labeled X has entries Wall clock, T V remote control, Portable music player. The second column labeled Y has entries Refrigerator, Table lamp, Hair dryer.

Which sentence states Newton's third law? If two objects collide, each object exerts a force in the same direction as the other. If two objects collide, each object exerts a force equal to and in the opposite direction of the other.

Why did the chicken cross the road.