6th Grade Chapter 7 Section 1 Quiz
16 Questions
| Attempts: 146
Chapter 7 Section 1- What is work?
Questions and Answers
- 1.When a force produces motion parallel to the direction of the force, ___________ is done in the scientific sense.
- A.
Power
- B.
Work
- C.
Motion
- 2.When force is at a ___________ angle to the direction of motion, the force does not work.
- A.
Right
- B.
Acute
- C.
Obtuse
- 3.When yo pick up a book bag, you do __________________.
- A.
Negative work
- B.
Positive work
- 4.Friction does ______________ work on a sled.
- A.
Positive
- B.
Negative
- 5.When you pull a sled, you do _______________ work on the sled.
- A.
Positive
- B.
Negative
- 6.When the motion is in the direction of the force, ______________ work is done.
- A.
Positive
- B.
Negative
- 7.When the motion is opposite to the direction of the force, ____________ work is done.
- A.
Positive
- B.
Negative
- 8.Carrying a ball off the field is ______________.
- A.
Positive work
- B.
Negative work
- C.
No work
- 9.What is the formula for work?
- A.
P = W/t
- B.
W = Fd
- C.
R = d/t
- 10.Work is measured in ______________.
- A.
Joules - J
- B.
Meters - m
- C.
Seconds - s
- D.
Kilograms - kg
- 11.1 J is the same as ___________ .
- A.
1 N
- B.
1 kg * m2/s2
- C.
1 kg * m/s
- 12.If you walk 1000 m using about 100 N of force to push a lawn mower forward. How much work is done?
- A.
10 N * m
- B.
100,000 N
- C.
100,000 J
- 13.What describes the rate at which work is being done?
- A.
Force
- B.
Power
- C.
Speed
- 14.What is the formula for power?
- A.
P = W/t
- B.
W = Fd
- C.
R = d/t
- D.
R = W/t
- 15.Power is measured in what unit?
- A.
Volt - V
- B.
Joules - J
- C.
Watt - W
- 16.1 W = ?
- A.
1 J/s
- B.
1 J
- C.
1 kg * m/s
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