9. Foundations. Work & Energy

Work is the displacement of an object when a force is applied on it? True or False

• True

• False

Weight = mass x ?

What type of contraction is an example of positive work?

• isometric

• concentric

• eccentric

• isokinetic

Which is not a type of work?

• Positive

• Negative

• Neutral

• Zero

What type of energy is created when someone jumps down on a trampoline?

• Kinetic Energy

• Gravitational Potential Energy

• Strain Potential Energy

• Energy

What body structure stores strain energy?

• muscles

• bone

• ligaments

• tendons

When a high jumper is in the air what type of energy do they have?

• Gravitational

• Kinetic

• Strain

• Load

When an object is in motion what type of energy does it have?

• Potential

• Kinetic

• Elastic

• Gravitational

Which are the effective methods of absorbing energy?

• Bending knees

• crash mat

• Concrete floor

• Sand pit

Energy is absorbed by increasing the distance in which force acts.

• True

• False