3/16-3/20
1. What force must you exert upwards in order to stand with 102 kg on your shoulders?
2. How much work are you doing as you stand with the bar on your shoulders?
3. What is the equation for work?
4. How much work is done by moving a 15 N object 5.0 m?
5. What force is required to do 500 J of work moving an object 12 m?
6. You perform 2400 J of work when you accelerate an object at a rate of 2.3 m/s2 over a distance of 5.0 m. What is the mass of the object?
7. If you exert 615 N of force to lift a car 0.25 m off the ground, how much work did you do?
8. In the preceding question, what is your power output if it takes you 2.3 seconds to raise the car?
9. Bob exerts a 548 N force to raise a box of scrap metal to a height of 2.03 meters. If it takes him 2.95 seconds to do this, how much work did Bob do?
10. If a light bulb does 216,000 J of work in an hour, what is the power of the light?
1. What force must you exert upwards in order to stand with 102 kg on your shoulders?
2. How much work are you doing as you stand with the bar on your shoulders?
3. What is the equation for work?
4. How much work is done by moving a 15 N object 5.0 m?
5. What force is required to do 500 J of work moving an object 12 m?
6. You perform 2400 J of work when you accelerate an object at a rate of 2.3 m/s2 over a distance of 5.0 m. What is the mass of the object?
7. If you exert 615 N of force to lift a car 0.25 m off the ground, how much work did you do?
8. In the preceding question, what is your power output if it takes you 2.3 seconds to raise the car?
9. Bob exerts a 548 N force to raise a box of scrap metal to a height of 2.03 meters. If it takes him 2.95 seconds to do this, how much work did Bob do?
10. If a light bulb does 216,000 J of work in an hour, what is the power of the light?