Force, Motion, & Gravity

Which is an example of acceleration?

• a car slowing down from 50 km/h to 20 km/h

• a car traveling 60 km/h west

• a car traveling at a constant speed for 20 minutes in one direction

• a car headed east slowing down to 30 km/h

Which is an example of reducing friction?

• Wear tennis shoes with a rubber tread.

• Push harder when brushing your teeth.

• Applying wax to a table saw.

• Spreading sand on a driveway covered with ice

Weight is the same as mass.

• True

• False

Weight is ________________________________.

• the measure of the amount of matter in an object

• the weight of an object

• a measure of gravitational force

• the number listed on the scale you stand on at the doctor's office

Mass is ________________________________.

• the measure of the amount of matter in an object

• the weight of an object

• a measure of gravitational force

• the number listed on the scale you stand on at the doctor's office

What is happening at C?

• Stationary
• Accelerating
• Fast steady speed; moving away from the starting position
• Slower steady speed; moving away from the starting position

Tags

CCSS.8.EE.B.5

What is happening at D?

• Stationary
• Accelerating
• Fast steady speed; moving away from the starting position
• Slower steady speed; moving away from the starting position

Tags

CCSS.HSF.IF.B.4

What is happening at A?

• Stationary
• Accelerating
• Slower steady speed; moving away from the starting position
• Steady speed; returning to start position

Tags

CCSS.8.EE.B.5

What is happening at B?

• Stationary
• Accelerating
• Slower steady speed; moving away from the starting position
• Steady speed; returning to start position

Tags

CCSS.HSF.IF.B.4

Which runner won the race?

• A
• B
• C

Tags

NGSS.MS-PS3-1