Newton's 1st Law / Types of Forces

Objects resist changes in motion. If they are moving they want ot continue moving- when at rest they want to remain at rest. This RESISTANCE TO CHANGES IN MOTION is called _________.

• friction

• inertia

• acceleration

• weight

A chair scoots across the floor before eventually being stopped. What caused it to BOTH START MOVING AND TO STOP MOVING? CHOOSE ALL THAT APPLY!!!

• external force

• change in mass

• friction

• decrease in gravity

Tags

NGSS.MS-PS2-2

When physical property of an elephant would make it harder to start moving?

• volume

• mass

• density

• height

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What physical property of the elephant would make it hard to stop the rolling elephant?

• mass

• volume

• density

• height

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which object would have the LEAST MOMENTUM?

• A mosquito, buzzing around your ear.

• An airplane, flying at 500 mph.

• An army tank, parked in a field.

• A racecar rolling toward a stop sign.

Tags

NGSS.MS-PS3-1

What FORCE would keep the books in place on the table?

• Ff (friction)

• Fn (normal)

• Fg (weight)

• Fair (airdrag)

Tags

NGSS.MS-PS2-4

How much upward support needs to be generated to keep the books at rest on the table?

• 73.5 N

• 9.8N

• 0.7 N

• 7.5 N

Tags

NGSS.MS-PS2-4

If the books are AT REST on the table, what kind of equillibrium are they in?

• static

• dynamic

• they are accelerating

A car weighs 14,700 N on Earth. What is its mass in Kg?

• 6,682 Kg

• 14,700 Kg

• 1,500 Kg

• 144,060 Kg

Tags

NGSS.MS-PS2-4

Where will the car have the MOST MASS?

• Earth

• Jupiter

• Moon

• same

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4