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McK 8th Headsup

8th Grade EOC

QuestionAnswer
Which of the following best describes the relationship between mass and the force of gravity on an object? Force of gravity increases as mass increases
What happens to the net force on an object when all forces acting on it are balanced? The object maintains constant velocity or remains at rest
How does thermal energy transfer in a metal spoon when placed in hot soup? By conduction from the hot end to the cold end
Which statement about gravitational potential energy is correct? . It increases as height increases
What determines the amount of work done on an object? Force multiplied by distance in the direction of force
In terms of energy transformation, what happens when a moving car brakes to a stop? Kinetic energy transforms to thermal and sound energy
How does friction affect the motion of objects? It opposes the direction of motion
. What happens to the speed of an object when the net force acting on it is zero? The speed remains constant
Which factor affects the gravitational force between two objects? . Both their masses and the distance between them
. How is heat energy typically transferred in a fluid like water? Primarily through convection
Created by: user-1930744
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