Work, Energy and Power

If force acts on the opposite direction then the displacement is _____

• weaker than force

• negative

• positive

• greater than force

Tags

NGSS.HS-PS2-1

Energy in motion

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What's the symbol for displacement in the Work Formula

• s

• d

• D

• S

In order to do work, energy is

• lost

• transferred or converted

• used up

Tags

NGSS.HS-PS3-3

Power is defined as

• p = t/W, where t is time and W is work

• p = W/d, where W is work and d is the distance

• p = W/t, where W is work and t is time

A constant force on an object given by-product of force and distance moved by object in direction of force is termed as

• Work done

• Power

• Energy

When work is done in the body,

• it loses energy

• it gains energy

• its energy remains constant

Tags

NGSS.HS-LS1-7

NGSS.HS-PS3-1

When a body Falls freely then the...

• Its potential energy is converted into kinetic energy.

• Its mechanical energy is converted into heat energy

• Its kinetic energy is converted into potential energy

Tags

NGSS.MS-PS3-5

A compressed spring possesses

• Elastic Potential Energy

• Gravitational Potential Energy

• Kinetic Energy

Tags

NGSS.MS-PS3-2

When an object is raised to a certain height above ground, it possesses

• Kinetic energy

• Elastic Potential Energy

• Gravitational Potential Energy

Tags

NGSS.HS-PS2-4