Work, Energy and Power (MCQ Only)

Quiz
•
Science
•
12th Grade
•
Hard
Βοnginkosi Νοgοm
Used 2+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
2.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
A spring is hung vertically and masses are added to the lower end. The graph shows how the extension Δx of the spring varies with the mass m added.
The work done in extending the spring can be expressed as:
mg Δx
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
An object of mass m is moved from point A on the ground, to point B on a bench of height h as shown in the diagram.
Which of the following is a correct expression for the work done on the object?
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
An object of weight 7 N is raised from a height of 2 m to a height of 8 m. The change in gravitational potential energy is
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
7.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
A cyclist travels up a slope through a vertical height h in a time t. The mass of the cyclist and his bike is m.
The average power of the cyclist is
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