WORK AND ENERGY

.......................................................... is the product of the component of the constant force in the

direction of the displacement and the magnitude of the

displacement.

• WORK DONE

• POWER

• POWER DONE

• WORK ENERGY THEOREM

A block of mass 10.0 kg is pushed 2.0 m along a frictionless

horizontal table by a horizontal constant force of 10.0 N force. Calculate the work done on the block by the 10.0 N force.

• 20 JOULE

• 20 WATT

• 200 JOULE

• 200 WATT

A block of mass 10.0 kg is pushed 2.0 m along a frictionless

horizontal table by a horizontal constant force of 10.0 N force. Calculate the work done by the gravitational force on the block.

• 20 JOULE

• 0 JOULE

• 200 JOULE

• 20 WATT

Given a graph of force (N) against displacement (m) of an object. Calculate the work done when the object reach the displacement at 12 m.

• 28 J

• 48 J

• 24 J

• 72 J

........................ is the system’s ability to do work.

• POWER

• DISPLACEMENT

• ENERGY

• FORCE

SI unit for energy is ............

• JOULE

• WATT

• ms^-1

• ms^-2

......................... is the energy of a body due to its motion.

• GRAVITATIONAL POTENTIAL ENERGY

• MECHANICAL ENERGY

• KINETIC ENERGY

• ELASTIC POTENTIAL ENERY

......................................... is the product of the magnitude

of the gravitational force, mg acting on an object and the

height h of the object.

• GRAVITATIONAL POTENTIAL ENERGY

• MECHANICAL ENERGY

• KINETIC ENERGY

• ELASTIC POTENTIAL ENERY

.............................is a energy stored in a body or system because of its

position.

• GRAVITATIONAL POTENTIAL ENERGY

• MECHANICAL ENERGY

• KINETIC ENERGY

• ELASTIC POTENTIAL ENERY

..................................... is the energy stored in the deformed

spring (either compressed or stretched ) from its equilibrium

position.

• GRAVITATIONAL POTENTIAL ENERGY

• MECHANICAL ENERGY

• KINETIC ENERGY

• ELASTIC POTENTIAL ENERY