Power and Energy Problems

Energy is the ability

• to do work
• to have fun
• to stay awake 
• to try to lift a heavy object

Tags

NGSS.HS-PS3-3

NGSS.HS-PS3-4

The product of the net force on an object and distance through which the object is moved (or f x d) equals

• Work
• Power
• Energy
• Acceleration

Force is measured using which unit?

• Meters
• Kilograms
• Newtons
• Joules

Tags

NGSS.HS-PS2-1

Your friend's car is stuck in the snow. You push very hard and become very tired but the car won't move. Did you do work?

• Yes, work was done
• No, work wasn't done

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

• He does no work
• He does work
• He does potential work

How much work you do in a certain amount of time is called...

• Work
• Power
• Energy
• Force

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

Energy stored in an object due to its position is called

• location energy
• positional energy
• potential energy
• kinetic energy

Tags

NGSS.MS-PS3-2

Gravitational potential energy of an object is dependent on 

• 1 the volume of the object
• 2 the mass and height of the object
• 3 the mass & speed of the object
• 4 the velocity of the object

Tags

NGSS.HS-PS2-4

The ability to do work is called...

• Work
• Power
• Energy
• Force

Tags

NGSS.HS-PS3-3