A | B |
Which of the following energy forms is associated with an object due to its position relative to Earth? | gravitational potential energy |
The equation for determining gravitational potential energy is PEg=mgh. WHich factor(s) in this equation is (are) Not a property of an object? | both g and h |
Which of the following enrgy forms is associated with an object's interaction with the environment? | potential energy |
As an object is lowered into a deep hole in the ground, which of the following assumptions must be made in regard to the object's potential energy? | The potential energy decreases. |
An ice skater initially skating at a velocity of 3 m/s speeds up to a velocity of 5 m/s. The momentum of the skater | increases |
If a force is exerted on an object, which statement is true? | A small force applied over a long time interval can produce a large change in the object's momentum. |
A force is applied to stop a moving shopping cart. Increasing the time interval over which the force is applied | requires a smaller force |
Which of the following statements properly relates the variables in the equation FΔ t= pΔ? | A large constant force acting over a long time interval causes a large change in momentum. |