Physics First Review - Work and Power

The SI Unit for mass?

• Kilogram (Kg)

• Newton (N)

• Joule (J)

• Watt (W)

The SI Unit for work

• Newton (N)

• Joule (J) and the Newton-meter

• Second (s)

• Watt (W)

The SI Unit for force

• Newton (N)

• Joule (J)

• Second (s)

• Watt (W)

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

Find the distance an object traveled if a force of 350 N acted on it to produce 0 work?

• 3 m
• 2 m
• 1 m
• 0 m