Energy and Work

The ability to do work is known as

• power

• energy

• force

• inertia

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The SI unit for energy is the

• Newton

• Joule

• Watt

• Volt

Energy that is stored in an object is known as

• kinetic energy

• potential energy.

Tags

NGSS.MS-PS3-2

Energy of motion is known as

• potential energy

• kinetic energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

When a force acts upon an object to cause a displacement of the object, it is said that _____ was done upon the object.

• inertia

• work

• energy

• speed

When a force causes an object to move a certain distance, ____ has occurred.

• energy

• work

• inertia

• momentum

What is positive work?

• When the force applied to the object and the object itself move in the SAME direction

• When the force applied to the object and the object itself move in DIFFERENT directions

What is negative work?

• When the force applied to the object and the object itself move in the SAME direction

• When the force applied to the object and the object itself move in DIFFERENT directions

What is an example of positive work being performed?

• A person lowering a box.

• A person in a parachute gliding toward the ground.

• A person lifting a box.

• Pushing on a wall, but not moving the wall.

What is an example of negative work being performed?

• A person pushing a lawnmower forward.

• A person in a parachute gliding toward the ground.

• A person lifting a box.

• Pushing on a wall, but not moving the wall.