Work and Energy Review-Physics

Front

What is Work in Physics?

Back

Work is defined as the transfer of energy that occurs when a force is applied to an object and the object moves in the direction of the force. It is calculated using the formula: W = F * d * cos(θ), where W is work, F is the force applied, d is the displacement, and θ is the angle between the force and displacement.

Front

What is the formula for Kinetic Energy (KE)?

Back

Front

How do you calculate the change in Kinetic Energy (ΔKE)?

Back

Front

What is the relationship between Work and Kinetic Energy?

Back

Front

What is the definition of Energy in Physics?

Back

Energy is defined as the ability to do work. It exists in various forms, including kinetic energy, potential energy, thermal energy, and more.

Front

What is Potential Energy (PE)?

Back

Front

What is the work done when a force is applied but there is no displacement?

Back

If a force is applied but there is no displacement, then no work is done on the object. This is because work requires movement in the direction of the force.

Front

What two measurements must be parallel for work to be done?

Back

For work to be done, the force applied and the displacement of the object must be parallel.

Front

What is the unit of Work in the International System of Units (SI)?

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The unit of work in the SI system is the Joule (J), which is defined as one Newton meter (1 J = 1 N·m).

Front

What is the formula for calculating Work done on an object?

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