WorksheetsSK2 Chapter 13 - Work, Energy and Power
Total questions: 10
Worksheet time: 5mins
What is the formula for work?
W = m × a
W = F × d
W = m × v
W = P × t
What is the SI unit for work?
Watt
Newton
Joule
Pascal
Energy is defined as:
The ability to resist motion
The ability to do work
The ability to create force
The ability to increase mass
Which type of energy is stored in a stretched rubber band?
Thermal energy
Kinetic energy
Elastic potential energy
Chemical energy
What is the SI unit of power?
Joule
Newton
Watt
Volt
Which law states that energy cannot be created or destroyed?
Newton’s First Law
Law of Conservation of Energy
Law of Thermodynamics
Law of Motion
Which of the following is a type of kinetic energy?
Gravitational energy
Chemical energy
Radiant energy
Elastic energy
What does a power rating on a machine indicate?
The size of the machine
The amount of energy stored
The rate at which work is done
The temperature of the machine
Which condition must be met for work to be done on an object?
Force must be perpendicular to motion
Object must remain stationary
Force must cause displacement
Object must be heavy
What happens when a force is applied but the object does not move?
Work is done
Energy is transferred
No work is done
Power increases
