This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Physics 9 Chapter 6 - Work and Energy - 5
1.
The work done will be negative if angle between force and displacement are....................?
a) 0˚
b) 90˚
c) 45˚
d) 180˚
2.
What is the value of 1 MJ?
a) 10 000 J
b) 1000 000 J
c) 100 000 J
d) 1000 J
3.
A girl carries a 10 kg bag upstairs to a height of 18 steps, each 20 cm high. Calculate the amount of work she has done to carry the bag. (Take g =10 ms-2)?
a) 3600 J
b) 3.6 J
c) 0.36 J
d) 360 J
4.
Which of the following links almost all the natural phenomena?
a) Pressure
b) Work
c) Energy
d) Charge
5.
What is the ability of a body to do work called?
a) Power
b) Energy
c) Work
d) Efficiency
6.
What does the water running down the stream possesses as it is capable to do work?
a) Efficiency
b) Work
c) Power
d) Energy
7.
In which of the following forms energy can exist?
a) All of these
b) Electrical energy
c) Mechanical energy
d) Heat energy
8.
In which of the following forms energy can exist?
a) Sound energy
b) Light energy
c) All of these
d) Heat energy
9.
In which of the following forms energy can exist?
a) Chemical energy
b) All of these
c) Mechanical energy
d) Nuclear energy
10.
How many types of mechanical energy are there?
a) Three
b) Four
c) Two
d) Five
This is more feedback!
This is the feedback!
