WorksheetsStJ AQA Physics: Energy and Work. Lesson 6
Total questions: 15
Worksheet time: 11mins
A force of 20N is applied to a sleeping cat to slide it 2m across a sofa.
What is the work done?
HINT: Work done (J) = Force (N) x distance (m)
20J
40J
2J
400J
A force of 60Nm is used to stop a bike. What is the energy transferred?
HINT: 1Nm = 1J
30J
1J
60J
120J
A policewoman, weighing 580N pulls herself 4m up a rope. What is the work done?
HINT: Work done (J) = Force (N) x distance (m)
2320J
145J
0.007J
584J
100J of energy is transferred when a boy pushes his toy car along the floor. He pushes with 25N of force.
How many metres along the floor does he push the toy car?
HINT: Rearrange the equation:
Work done (J) = Force (N) x distance (m)
0.25m
2,500m
4m
125m
The unit for Work done is
Julien
Newton
Watt
Joules
A force exerted over a distance to move an object is...
Power
Work
Momentum
Watt
In which of these cases is work being done?
A student sleeps
A student carries his chair into another room
A student pushes a locked door that does not move
A student sits on the carpet
Force is a _______ or ________
Simple, complex
Up, down
Push. pull
In, out
What is the unit for distance
Mass
Metre
Mile
Momentum
Which is the nest example of work being done?
Doing homework
Lifting a box
Holding a box
Sitting on a box
Work done = Force x ___________
Velocity
Acceleration
Speed
Distance
Force = ?Work done
Distance
Acceleration
Speed
Velocity
As the skier goes down the hill, _________ energy increases while __________ energy decreases
Gravitational, kinetic
Elastic, kinetic
Kinetic, gravitational
Kinetic, elastic
Bro B bench presses 145-lbs five times in 10 seconds.
