Gravitational Potential Energy
Gravitational potential energy is stored ____________ due to gravitational forces.
A- in all objects
B- in a system of interacting objects
C- in objects high in Earth's atmosphere
D-outside of a system of interacting objects
B- in a system of interacting objects
Same charges ______.
repel
Does the amount of magnetic potential energy stored in a system INCREASE or DECREASE when strength increases?
Increase
Which of the following is NOT a constraint that would help engineers evaluate a bridge design?
A. whether the budget is limited
B. whether the bridge is attractive
C. whether it interferes with local businesses
D. whether space is available to build the bridge
B. whether the bridge is attractive
Elastic potential energy results from elastic forces, which
A. allow an object to change its shape.
B. only apply to non-metallic objects.
C. pull an object back into its original shape.
D. compresses objects so that they can shrink.
C. pull an object back into its original shape.
Which of the following stores the most gravitational potential energy?
A. a system with a 1 kg book
B. a system with a 20 kg rock
C. a system with a 50 kg person
D. a system with a 5 kg bowling ball
C. a system with a 50 kg person
Opposite charges ________.
attract
When the magnetic force is attractive between two magnets, does a system with a SMALLER or a LARGER distance have more energy?
Larger
Which of the following was NOT a justification for choosing the bascule bridge?
A. It accommodated ships of any size.
B. It did not interfere with nearby properties.
C. It did not require a lot of energy to operate.
D. It interfered with views of the river from the city.
D. It interfered with views of the river from the city.
A battery sitting on a table is an example of what type of energy?
Chemical Potential Energy
Which of the following stores the most gravitational potential energy?
A. a system with two objects with a small mass
B. a system with two objects with a large mass
C. a system with an object with small mass and an object with a large mass
D. All systems store an equal amount of gravitational potential energy.
B. a system with two objects with a large mass
When the electrical force is attractive between objects, does a system with a SMALLER or LARGER distance have more energy?
Larger
When the magnetic force is repulsive between two magnets does a system with a SMALLER or a LARGER distance have more energy?
Smaller
When looking at the swing bridge, engineers faced the design challenge that it required a lot of ________ to use.
energy
Chemical potential energy is stored in the __________________ that hold atoms and molecules together.
chemical bonds
An apple tree has a 1 kg apple hanging from a branch that is 10 m high, a 1 kg apple on a branch 7m high, and a 1kg apple on the ground. Which has the most gravitational potential energy?
A. The 1 kg apple on the ground.
B. The 1 kg apple hanging from a branch that is 7 m high.
C. The 1 kg apple hanging from a branch that is 10 m high.
D. They all have the same gravitational potential energy.
C. The 1 kg apple hanging from a branch that is 10 m high.
When the electrical force is repulsive between objects, does a system with a SMALLER or a LARGER distance have more energy?
Smaller
The ________ of the magnets MOST influences the amount of magnetic potential energy stored in a system.
strength
Which table/team group from your class won the STEM bridge challenge from last week?
answers vary per class (teacher has final say)
Chemical energy is released when the bonds holding matter together are __________.
broken
Gravitational potential energy depends on which two factors?
mass and distance
A Van De Graaff generator is a system that can __________ electric potential energy.
store
What would happen if you brought the N pole of a magnet and the S pole of another magnet near each other?
They would attract/come together. (opposites attract)
Bascule bridges use _____________________ energy and counterweights to move the bridge.
gravitational potential
Elastic and chemical potential energy are both a combination of what 3 types of energy?
1. Elastic Potential Energy
2. Magnetic Potential Energy
3. Kinetic Energy