Work and Power

What is work (W) in the context of physics?

• The amount of effort put into a task

• The transfer of energy that occurs when a force makes an object move

• The distance an object travels

• The time taken to complete a task

Tags

NGSS.HS-PS3-2

What unit is used to measure work in physics?

• Newton

• Pascal

• Joule

• Watt

Which two conditions must be met for work to be done according to physics?

• Object must move and force must be applied in the direction of the movement

• Force must be applied and object must be heavy

• Object must move and work must be done in a short time

• Work must be done quickly and efficiently

What does the equation W = Fd represent in physics?

• W = weight, F = friction, d = duration

• W = work, F = force, d = distance

• W = watt, F = frequency, d = diameter

• W = wave, F = field, d = depth

What are the units for work, force, and distance respectively?

• Newtons, Joules, Meters

• Joules, Newtons, Kilometers

• Joules, Newtons, Meters

• Watts, Joules, Meters

What does the symbol 'P' represent in the context of the given material?

• Pressure

• Probability

• Power

• Pulse

What is the unit of power as mentioned in the learning material?

• Newton

• Joule

• Watt

• Pascal

According to the formula provided, power is calculated as work done divided by what?

• Force

• Distance

• Time

• Velocity

What is the unit of work as used in the formula for power?

• Newton-meter

• Joule

• Watt

• Kilogram

Tags

NGSS.HS-PS2-1

What is the unit of time used in the formula for calculating power?

• Seconds

• Minutes

• Hours

• Milliseconds