Gravity Answers

A tuna fish body is streamlined to reduce friction. Which describes the type of friction the fish must overcome?

Koi is climbing through a cave. She is climbing through a crevice and places her feet so that her body is perpendicular as shown below. She then rests in this spot for twenty minutes.Which type of force is she demonstrating in this position?

Four objects are being tested to see how they are affected by fluid friction. Object W has a surface area of 4.5 cm2, Object X has a surface area of 2.5 cm2, Object Y has a surface area of 6.2 cm2, and Object Z has a surface area of 3 cm2.

The city is using sand trucks to place sand on the road during icy conditions. Which best explains the use of sand?

Four students are doing different friction experiments with a cylinder. Tristan is working with static friction, Arya is working with sliding friction, Anoush is working with rolling friction, and Keran is working with fluid friction.

Myron was trying to light a match. The first time he struck the match, the match did not light. The second time he tried, the match lit successfully.

Which is the type of kinetic friction that is difficult to overcome?

Which methods reduce friction?

A kite suspended in the sky is flowing back and forth. Which type of friction is being described?

The chart describes four objects experiencing one or more frictional forces.