Newton's 1st and 2nd Laws of Motion

Newton's 1st Law of Motion is what defines ______.

• acceleration

• velocity

• force

• inertia

According to Newton's 2nd Law of Motion, ______ is directly proportional to ________.

• mass; acceleration

• force; mass

• acceleration; mass

• acceleration; force

Tags

NGSS.MS-PS2-2

An object moving at a constant speed in a straight line will continue to do so until it is acted upon by a(n)_________.

• photon

• balanced force

• unbalanced force

• net-zero force

Gravity is what kind of force?

• A contact force

• A field force

• An electromagnetic force

• A mechanical force

Tags

NGSS.MS-PS2-5

The units of force is what?

• dynes

• Newtons

• foot-lbs

• Galileos

A newton is further defined as:

• kg meter per second^2

• 9.8 m/sec^2

• acceleration/kg

• a SI unit that has no dimension

Tags

NGSS.HS-PS2-1

A person's mass multiplied by the gravitational constant for acceleration equals their ______ due to _____.

• gravity; force

• vector; scalar

• force; gravity

• force; physics

Tags

NGSS.MS-PS2-4

This Greek letter "Sigma" is used to do what when analyzing the forces on an object?

• adding up all the forces

• multiplying all the forces

• dividing all the forces

• magnetizing all the forces

Tags

NGSS.MS-PS2-2

Two forces are acting in opposite directions on an object. Therefore one of the forces must have a ________.

• gravity value

• parallel value

• negative value

• isometric value

Rob is pushing his car using 110 N of force. Jenny is countering him him, by pushing with an 90 N of force in the opposite direction as Rob. What is the total force being exerted horizontally on the vehicle?

• 110 N

• 20 N

• -110 N

• 200 N

Tags

NGSS.MS-PS2-2