Friction and Gravity

Front

Friction is a force that acts in a(n) ___________ direction relative to a moving object.

Back

opposite

Front

What is the unit that measures force?

Back

Newton

Front

What type of friction acts on an object that is not yet moving? Options: Static, Dynamic, Kinetic, Rolling

Back

Static

Front

The wheels on a moving skateboard most likely experience ____________. Options: Rolling Friction, Sliding Friction, Fluid Friction, Static Friction

Back

Rolling Friction

Front

These swimmers are most likely experiencing _________. Options: Rolling Friction, Sliding Friction, Fluid Friction, Static Friction

Back

Fluid Friction

Front

As the child moves down the slide, they mostly experience the effect of ___________. Options: Rolling Friction, Sliding Friction, Fluid Friction, Static Friction

Back

Sliding Friction

Front

How would the absence of friction affect a marble traveling on a long, straight path?

Back

The marble would remain at a constant speed.

Front

Which of the following is an example of rolling friction? Options: pushing a box across the floor, riding a bike down a hill, a hockey player skidding to a stop, a soccer player making a slide tackle

Back

riding a bike down a hill

Front

Two factors affecting the magnitude of the force of gravity between 2 objects are...

Back

mass and distance

Front

As mass increases, what happens to the gravitational force?

Back

It increases.