Force, Work & Energy - PPT1 Session2

Name the force applied between the surface of two objects.

• Muscular force

• Frictional force

• Elastic force

When a force applied by a tool or a machine, it is called _____________________ force.

• Mechanical

• Electrical

• Gravitational

When we move an object to a certain distance, it is said that the work is not done.

• True

• False

_______________ surface generate more friction.

• Oily

• Greasy

• Rough

The unit of force is _________________

• Newton

• Meter

• Kilogram