An arrow that is pulled back by a bow has which type of energy?
Gravitational potential energy depends on the ________ and ________ of the object.
A 0.40 kilogram bird is flying at a constant speed of 8.0 m/s. What is the bird's kinetic energy ?
A 60 kg person walks from the ground to the roof of a 80 m tall building. How much increase in gravitational potential energy is there? (Take g = 10 N/kg)
Two objects with different masses are placed on the same shelf. Which object contains more energy?
The faster an object moves, the ________ kinetic energy it has.
The formula for calculating potential energy is ____________________________.
The two factors that determine kinetic energy are ____________________________ ____________________________.
An object at rest will _______ if no outside forces are applied.
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
If a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first?
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
A sled sliding on a flat, icy surface with a constant velocity is best described by
Acceleration is caused by a force acting on a mass.
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
Which law explains when a magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
The force of ____ exists between any two objects that have mass.
A force in the opposite direction to the motion of the object will cause the object to
When the net force is zero, the forces on an object are balanced. True or false.
Any time the forces are unbalanced, an object will remain at rest. True or false?
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