Energy Physics

THE KINETIC ENERGY OF AN OBJECT INCREASES AS ITS ____ INCREASES.

• velocity

• height

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

INCREASING THE SPEED OF AN OBJECT ____ ITS POTENTIAL ENERGY.

• increases

• decreases

• does not affect

WHICH OF THE FOLLOWING DEVICES DOES NOT MAKE USE OF ELECTRICAL ENERGY?

• Upright piano

• Radio

• Toaster

• Digital Camera

ACCORDING TO THE LAW OF CONSERVATION OF ENERGY, THE TOTAL AMOUNT OF ENERGY IN THE UNIVERSE ____.

• changes

• remains the same

Tags

NGSS.HS-PS3-2

WHICH OF THE FOLLOWING ENERGY FORMS IS ASSOCIATED WITH AN OBJECT IN MOTION?

• potential energy

• elastic potential energy

• nonmechanical energy

• kinetic energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

IF FRICTION IS THE ONLY FORCE ACTING ON AN OBJECT DURING A GIVEN PHYSICAL PROCESS, WHICH OF THE FOLLOWING ASSUMPTIONS CAN BE MADE IN REGARD TO THE OBJECT’S KINETIC ENERGY?

• a.The kinetic energy decreases.

• The kinetic energy increases

• The kinetic energy remains constant.

• The kinetic energy decreases and then increases.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

WHAT IS THE POTENTIAL ENERGY OF A 1.0 KG MASS 1.0 M ABOVE THE GROUND?

PE = m x g x h

g = 9.8 m/s2

• 1.0 J

• 9.8J

• 10J

• 96J

Which of the following is the rate at which energy is transferred?

• Potential Energy

• Kinetic Energy

• mechanical energy

• power

Tags

NGSS.MS-PS3-5

When an object is lifted 10 m above the ground, it gains a certain amount of potential energy. If that same object is lifted 20 m above the ground, its potential energy gain will be

• less

• the same

• twice as much

• half as much

Tags

NGSS.MS-PS3-2

WHICH OF THE FOLLOWING IS TRUE?

• A body with zero velocity cannot have any potential energy.

• A body with zero acceleration cannot have any kinetic energy.

• A body with zero acceleration cannot have any potential energy.

• A body with zero velocity cannot have any kinetic energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5