Question

Jane observes that a shark detects its prey without actually touching it. Based on her observation, which conclusion is correct?

a The shark is unable to apply any force.
b The shark applies a contact force on the prey.
c The shark is unable to apply force at a distance.
d The shark applies a non-contact force on the prey.

Answer 1

(D) The shark applies a non-contact force on the prey.

Unlike humans who have 5 senses, sharks actually have 7. So they could be using any of there senses other than touch to detect there prey. (The senses they could be using are sight, smell, hearing, taste, electroreception, and/or there lateral line.)

Answer 2

D. The shark applies a non-contact force on the prey.

Reasoning:

Sharks can hear and smell from a far distance. Making it easier to find their prey without touching it.