Understanding Inertia

What happens to the head of a hammer when its handle is struck against a surface?

• The head stops moving immediately.

• The head detaches from the handle.

• The head moves upward.

• The head continues moving downward.

How does a dog use inertia to dry its fur?

• By rolling on the ground.

• By sitting in the sun.

• By standing still and letting the wind dry it.

• By shaking its body to change direction rapidly.

What is the effect of inertia on water droplets when an umbrella is spun?

• The droplets evaporate.

• The droplets change direction with the umbrella.

• The droplets continue moving in their original direction.

• The droplets freeze.

Why do prey animals often change direction when escaping predators?

• To exploit the predator's greater inertia.

• To find a hiding spot.

• To confuse the predator.

• To increase their speed.

What advantage does a sumo wrestler gain from having a greater body mass?

• Increased inertia, making it harder to be moved.

• Greater flexibility.

• Better balance.

• Increased speed.