Mechanical Work

Front

What is mechanical work?

Back

Mechanical work is defined as the product of the force applied to an object and the distance over which that force is applied in the direction of the force.

Front

What is the formula for calculating work?

Back

W = F × d, where W is work, F is force, and d is displacement.

Front

If 2.0 J of work is done in raising a 180 grams apple, how far is it lifted?

Back

1.1 m

Front

How far does a car that weighs 5,000 N go if 18,000 J of work is done on it?

Back

3.6 m

Front

Which of the following is the best example of work being done?

Back

Lifting a box.

Front

If given a force of 10 Newtons and displacement of 2 meters, how much work is performed?

Back

20 J

Front

What is a synonym for mechanical work?

Back

Transfer.

Front

What units are used to measure work?

Back

Joules (J).

Front

What is the relationship between work and energy?

Back

Work done on an object results in a change in energy of that object.

Front

What is the significance of direction in mechanical work?

Back

Work is only done when the force applied has a component in the direction of the displacement.