Decide Whether Each of These Statements Is True (T) or False

question 3

Multiple Choice

Decide whether each of these statements is True (T) or False
A hammer of mass 2 kg is moving with a velocity of 4 m/s when it hits a nail. If it comes to rest in 0.1 s:
(i) The momentum of the hammer before hitting the nail is 8 kg m/s.
(ii) The force acting on the nail when hit by the hammer is 8 N.

• A) (i) T (ii) T
• B) (i) T (ii) F
• C) (i) F (ii) T
• D) (i) F (ii) F

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Definitions:

Osteosarcoma

A type of cancer that originates in bone cells and is most commonly found in the long bones near growth plates.

Paget's Disease

A chronic disorder that typically results in enlarged and deformed bones due to abnormal bone destruction and regrowth, primarily affecting the elderly.

Osteoporosis

A condition characterized by a decrease in bone density, leading to fragile bones that are more prone to fractures.

Kyphosis

A spinal disorder where there is an excessive outward curvature of the spine, causing hunching of the back.