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WorksheetsQuiz 1 Revision
Total questions: 20
Worksheet time: 20mins
Force exerted on an object to cause it to change its position in the direction of the force is called
force
work
power
energy
Force in the same direction as the motion of the object is regarded as
maximum work done
no work
little work
medium work
The amount of work you do depends on
gravity and acceleration
force and flying
force and distance
speed and power
Which of the women did more work?
The one on the left
The one on the right
They both equally did the same amount of work
None of them did work
What is the reason for one of the women doing more work
She is moving very fast
She is climbing a longer distance
She is carrying more picture
She is not doing work
What is the formula for calculating work
Energy x Distance
Distance/Force
Force/Distance
Force x Distance
The rate at which work is done is known as
Power
Work
Energy
Force
The formula for power is
Work / Time
Force / Time
Energy x Time
Work x Time
The unit of work is
M or Miles
Mn or Millinewtons
Nm or Joules
Work has no unit
The unit for Power is
Meter squared
Miles per inch
J or Joules
Nm/s or J/s or Watt
Energy can be transferred from place to place.
True
False
Not sure
What happens when an object is in motion?
Its distance from another object remains the same
Its distance from another object changes a little
Its position changes relative to the position of another object
Its position remains the same no matter what
What happens when an object uses more energy?
The object moves faster
The object moves slower
The speed of the object does not change from what it was
The object jumps higher
One of these IS NOT a form of energy
electricity
sound
light
power
The ability to do work or cause change is called
force
energy
power
work
A woman pushes a cart with a force of 50 newtons. She pushed the cart for 10 meters. What is the work done on the cart?
400 J
500 J
600 J
700 J
A boy does a work of 20 Joules in 5 seconds. What is the amount of power he used for the work?
2 J/s
3 J/s
4 J/s
5 J/s
A man pushes his car with a force of 60 newtons for 10 seconds and a distance of 8 meters. What is the power used to push his car?
48 J/s
75 J/s
1.333 J/s
4800 J/s
The formula "Energy transferred ÷ time" is used to calculate for _______
energy
work
power
force
A girl did some work by pulling along a basket. She used about 99 Joules to do some work and she pulled the basket for 11 meters. What force did she use to pull the basket?
9 J
9 Nm
9 N
9 Nm/s
