CIE iGCSE Co-Ordinated Science P1.6.2 Work Exam Style Questions Paper 1
Question
A crane does work on a load by lifting it vertically upwards.
Which action decreases the work done on the load?
A lifting the load higher
B lifting the load more slowly
C reducing the mass of the load
D using a more powerful crane
▶️Answer/Explanation
Ans :C
Question
A student lifts a box vertically from the floor and places it on a table.
Which two quantities must be known in order to calculate the work done on the box by the student?
A the force used to lift the box and the height of the table
B the force used to lift the box and the time taken to lift the box
C the volume of the box and the height of the table
D the volume of the box and the time taken to lift the box
▶️Answer/Explanation
Ans :A
Question
A student walks up some steps at constant speed.
Which two quantities provide enough information so that the useful power produced by the student can be calculated?
A the weight of the student and the time taken
B the weight of the student and the total height of the steps
C the work done by the student and the time taken
D the work done by the student and the total height of the steps
▶️Answer/Explanation
Ans : C
Question
A horizontal force acts on a block.
The block moves in the direction of the force.
Which two quantities affect the work done by the force on the block?
(A) magnitude of force and distance moved
(B) magnitude of force and mass of block
(C) magnitude of force and volume of block
(D) magnitude of force and weight of block
▶️Answer/Explanation
Ans: A