A basketball rolls to a stop along a gym floor without anyone touching it. Which answer choice BES T
explains why this is correct?
A. The initial force that started the ball ran out
B. The opposing force of friction stopped the ball C. The natural state of the ball is not to be in motion
D. The force of gravity slow the box until it stopped - answerB
a person jumps ford off the front of a stationary boat floating on a lake. Identify the reaction force in this
case between the person and the boat.
A. The boat being pushed down by the air
, B. The boat applying a force on the person pushing her forward
C. person applying a force on the boat pushing it backward
D. The water applying a force on the boat keeping it from sinking - answerC
what form of energy is not involved when using a blender to make a smoothie?
A. electrical energy
B. Mechanical energy
C. Sound energy
D. Nuclear Energy - answerD
Carlos turns a crank with his arm in order to raise a sandbag from a stage to the rafters above the stage.
What energy transformation occurs to move the sandbag afford?
A. Nuclear energy to chemical energy
B. Mechanical to thermal
C. chemical to mechanical
D. thermal to chemical - answerC?
A basketball rolls to a stop along a gym floor without anyone touching it. Which answer choice BES T
explains why this is correct?
A. The initial force that started the ball ran out
B. The opposing force of friction stopped the ball C. The natural state of the ball is not to be in motion
D. The force of gravity slow the box until it stopped - answerB
a person jumps ford off the front of a stationary boat floating on a lake. Identify the reaction force in this
case between the person and the boat.
A. The boat being pushed down by the air
B. The boat applying a force on the person pushing her forward
C. person applying a force on the boat pushing it backward
D. The water applying a force on the boat keeping it from sinking - answerC
what form of energy is not involved when using a blender to make a smoothie?
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