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A student pushed a rock from the top of a hill. What type of energy change occurred after the rock was pushed?
The position of the block will change
mechanical energy to sound energy
potential energy-- kinetic energy-- sound energy
Potential energy is changed to kinetic energy
lever
a sewing pedal
Potential energy was converted to kinetic energy
It redirects force
Two forces act in opposite directions on a wood block. What will happen if the forces are unbalanced?
The position of the block will change
mechanical energy to sound energy
potential energy-- kinetic energy-- sound energy
Potential energy is changed to kinetic energy
lever
a sewing pedal
Potential energy was converted to kinetic energy
It redirects force
How does a pulley help make work easier?
The position of the block will change
mechanical energy to sound energy
potential energy-- kinetic energy-- sound energy
Potential energy is changed to kinetic energy
lever
a sewing pedal
Potential energy was converted to kinetic energy
It redirects force
The sound made by crickets occurs when the male crickets rub its two hind legs together. Which type of energy transformation results in the sound made by crickets?
The position of the block will change
mechanical energy to sound energy
potential energy-- kinetic energy-- sound energy
Potential energy is changed to kinetic energy
lever
a sewing pedal
Potential energy was converted to kinetic energy
It redirects force
Thomas watches an orange fall from a tree to the ground. Which best describes the flow of energy as the oranges falls to the ground?
The position of the block will change
mechanical energy to sound energy
potential energy-- kinetic energy-- sound energy
Potential energy is changed to kinetic energy
lever
a sewing pedal
Potential energy was converted to kinetic energy
It redirects force
Which simple machine uses a fulcrum to redirect a force?
The position of the block will change
mechanical energy to sound energy
potential energy-- kinetic energy-- sound energy
Potential energy is changed to kinetic energy
lever
a sewing pedal
Potential energy was converted to kinetic energy
It redirects force
What kind of energy change occurs when a battery is operating a remote control toy?
The position of the block will change
mechanical energy to sound energy
potential energy-- kinetic energy-- sound energy
Potential energy is changed to kinetic energy
lever
a sewing pedal
Potential energy was converted to kinetic energy
It redirects force
Which of the following is used as a wedge?
The position of the block will change
mechanical energy to sound energy
potential energy-- kinetic energy-- sound energy
Potential energy is changed to kinetic energy
lever
a sewing pedal
Potential energy was converted to kinetic energy
It redirects force
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