A force of 100 N moves an object 3 m in the direction of the force. How much work is done?
Answer and explanation
Correct answer: C. J
- Step 1: Work .
- Step 2: J.
Answer
J.
Why not the others: J: The force was divided by the distance. J: Force and distance were added. J: The result was doubled.
Practise more Classical Mechanics, Electromagnetism and Modern Physics.
Free questions with an explanation for every one, and full timed Tawjihi (General Secondary) mock tests.
More Classical Mechanics, Electromagnetism and Modern Physics questions
- A car starts from rest and accelerates uniformly in a straight line at for . What is the total displaceme…
- A constant net force of acts on a crate resting on a frictionless horizontal floor. What is the acceleration…
- A circuit contains three resistors of resistances , , and connected in parallel across an ideal…
- A photon has a frequency of . Given Planck's constant , what…
- A straight conductor of length carrying an electric current of is placed perpendicular to a uniform magneti…
- A mass of attached to a horizontal ideal spring of spring constant oscillates in simple harmonic moti…