RHS Energy Work Power

If an object has a mass "m" and increases it's speed by 2 times, what happens to the amount of kinetic energy?

• Increases by two
• Increases by four
• Decreases by two 
• Decreases by four

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

This type of energy requires that the object is in motion...

• Elastic Potential Energy
• Chemical Energy
• Gravitational Potential Energy
• Kinetic Energy

A large stone raised to the top of a hill is known to have this type of energy...

• Elastic Potential Energy
• Chemical Energy
• Kinetic Energy
• Gravitational Potential Energy

Energy that is stored and held in readiness is called...

• Elastic Energy
• Kinetic Energy
• Potential Energy
• Mechanical Energy

The ability of an object to do work is called...

• Work
• Power
• Energy
• Force

How forms of Mechanical Energy are there?

• 1
• 2
• 3
• 4

Person A is twice the weight of Person B and climb the same hill. If person A gets the top in half the time then...

• Person A is twice as powerful

• Person B is twice as powerful

• Person A is four times as powerful

• They are just as powerful.

If a new fork lift can do the four times the amount of work in the same amount of time of an old forklift, then the new forklift is...

• Twice as powerful
• Four time as powerful
• Sixteen times the power
• of equal power of the old forklift

The amount of work done divided by the time interval during which the work is done is called...

• Work
• Power
• Energy
• Force

As the weight lifter picks up a very heavy barbell. When he is lifting the barbell...

• He does no work
• He does positive work
• He does negative work