Question

1 joule of work is said to be done when:

• A. The amount of work done by a force of 1N displaces a body by 1 m perpendicular to the direction of the force
• B. The amount of work done by a force of 1 dyne displaces a body by 1 cm
• C. The amount of work done by a force of 1N displaces a body by 1 m in the direction of force
• D. The amount of work done by a force of 1dyne displaces a body by 1 m in the direction of force

Answer 1

The correct option is C The amount of work done by a force of 1N displaces a body by 1 m in the direction of force

1 J is the amount of work done when a force of 1N displaces a body by 1 m in direction the direction of force.