Work Done
Quiz by Kang SIAK CHUAN JAMESON Staff
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- Q1
Which of the following is not true when work is done on an object?
The object moves perpendicularly to the direction of the resultant force.
There is a resultant force acting on the object.
The object must move in the direction of the resultant force.
The object has gained energy.
30s - Q2
Which of the following scenarios has no work done?
30s - Q3
A man applied a 20 N force to push the box across horizontally for 3.0 m. What is the change in energy for the box?
The box gains 60 J of energy.
The box loses 60 J of energy.
There is no change in energy of the box.
The box has done 60 J of work.
30s - Q4
Which distance should we use to calculate the work done against gravity shown in the picture?
C
A
B
30s - Q5
A man carries a box of m kg up the stairs as shown in the picture. What is the work done against gravity?
m x B
m x g x C
m x A
m x g x B
30s
