Work and Energy MJM

Work done =

• Force x Displacement

• Distance / Time

• Force / Time

• Force x mass

Work has

• magnitude and direction

• Only magnitude no direction

• Only direction no magnitude

• no magnitude no direction

Unit of Work is

• Newton

• Metre

• newton metre

• None

Amount of work done on an object when force of 1 N displace it by 1 m along the line of action of force is

• 1 Kg

• 1 Newton

• 1 Joul

• 1 Second

Work done is ........

When the force acts opposite to the direction of displacement

• Positive

• Negative

• Neutral

• None

Capacity of doing work is

• Mass

• Time

• Energy

• Velocoty

Unit of Energy is

• metre

• Kg

• Second

• Joul

Energy possessed by an object due to its motion is called

• Potential energy

• Kinetic energy

• Energy

• Force

When ever energy gets transformed the total energy

• Increases

• Decreases

• Remains unchanged

• Can't say

Rate of doing work is called

• Power

• Force

• Energy

• Pressure