Form 2 Science Chapter 8: Force and Motion

The force that opposes the motion of object.

• Elastic force

• Frictional force

• Normal force

The force produced when an object comes in contact with a surface.

• Weight

• Buoyant force

• Normal force

A spring balance can be used for measuring force.

• True

• False

The unit of force is the (a)   .

Force cannot change the direction of a moving object.

• True

• False

An object will float if the buoyant force more than its weight.

• True

• False

The fulcrum is located between the effort and the load.

• First class lever

• Second class lever

• Third class lever

The effort is located between the fulcrum and the load.

• First class lever

• Second class lever

• Third class lever

The load is located between the fulcrum and the effort.

• First class lever

• Second class lever

• Third class lever

Which class of lever for this?

• First class lever

• Second class lever

• Third class lever