Which situation shows a non-contact force changing the speed of an object?(1 point)
Responses
Raking a leaf
A person riding a bike and moving the pedals faster
A nail rolls off the edge of a roof and falls to the ground
A batter hitting a baseball
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The situation that shows a non-contact force changing the speed of an object is:
A nail rolls off the edge of a roof and falls to the ground.
This is because the force acting on the nail as it falls is gravity, which is a non-contact force. The other situations involve contact forces.
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