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Physical Science: Work

Physical Science: Work

8 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

A girl pulls a suitcase 50m with a forward force of 10N. How much work does she do? (W = F x d)

  1. 60 J
  2. 50 J
  3. 100 J
  4. 500 J
Question 2 Multiple Choice (Single Answer)

If you lift an apple from the ground up to a table, about how much work have you done?

  1. 1 Joule
  2. 5 Joules
  3. 7 Joules
  4. 10 Joules
Question 3 Multiple Choice (Single Answer)

True or False: A force of 1 Newton that moves an object 1 meter equals 1 Joule of work.

  1. FALSE
  2. TRUE
Question 4 Multiple Choice (Single Answer)

What unit of measurement expresses work by multiplying force of Newtons by distance in meters?

  1. N/m2
  2. Joule
  3. work-meter
  4. J/m2
Question 5 Multiple Choice (Single Answer)

What formula is used to calculate work?

  1. work = distance x area
  2. work = force x distance
  3. distance = work x force
  4. force = speed x distance
Question 6 Multiple Choice (Single Answer)

If you pull a wagon through the grass which part of your force is doing the work?

  1. the upward force on the handle
  2. the downward force of your feet
  3. the forward force of your pull
  4. the force of friction from the grass
Question 7 Multiple Choice (Single Answer)

T/F: Scientifically, work is only done when the force is in the same direction as the motion.

  1. TRUE
  2. FALSE
Question 8 Multiple Choice (Single Answer)

What term describes the use of force to move an object in the direction of the force?

  1. energy
  2. work
  3. power
  4. exertion
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