10.2 - Friction and Gravity

What is the force that generally always stops a moving object.

• Fraction.

• Friction.

• Frictoin.

• Fiction .

What is the reason that we don't slide all over the place like we are on ice?

• Closacobia.

• Inertia.

• Friction.

• Gravity.

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

• similar
• opposite
• parallel
• perpendicular

 What is the unit that measures force?

• Weight
• Net force
• Newton
• Kilogram

What type of friction acts on an object that is not yet moving?

• Static
• Dynamic
• kinetic
• Rolling

The wheels on a moving skateboard most likely experience ____________.

• Rolling Friction
• Sliding Friction
• Fluid Friction
• Static Friction

These swimmers are most likely experiencing _________.

• Rolling Friction
• Sliding Friction
• Fluid Friction
• Static Friction

As the child moves down the slide, they mostly experience the effect of ___________.

• Rolling Friction
• Sliding Friction
• Fluid Friction
• Static Friction

Tags

NGSS.MS-PS2-2

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

• The marble’s speed would decrease.
• The marble’s speed would increase.
• The marble would stop immediately. 
• The marble would remain at a constant speed.

Tags

NGSS.MS-PS2-2

Which of the following is an example of rolling friction?

• 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