Work and Power Problems

The SI Unit for Mass?

• Kilogram (Kg)
• Newton (N)
• Joule (J)
• Watt (W)

The SI Unit for Work

• Newton (N)
• Joule (J)
• Second (s)
• Watt (W)

The SI Unit for Force

• Newton (N)
• Joule (J)
• Second (s)
• Watt (W)

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The SI Unit for Time

• Newton (N)
• Joule (J)
• Second (s)
• Watt (W)

The SI Unit for Power

• Newton (N)
• Joule (J)
• Second (s)
• Watt (W)

What is the formula for Work?

• E=mc²
• W= F x d
• P = W/T

What is the formula for Power?

• E=mc²
• W= F x d
• P = W/T

F=200 N
d=50 m
w=??

• 4 J
• 0.25 J
• 250 J
• 10,000 J

If 150 Joules of work is needed to move a box 10 meters, what force was used? 

• 1500 N
• 15 N
• 1.5 N
• 150 N

Tags

NGSS.MS-PS2-2

When a pendulum swings, at which point is potential energy at its greatest

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS3-2