Force and Motion

The tendency of a moving object to continue moving in a straight line is an example of Newton's __ law

• 1st

• 2nd

• 3rd

• 4th

What is the term for a force that resists motion between two surfaces in contact?

• Inertia

• Gravity

• Friction

• Acceleration

What is the formula for calculating speed?

• Speed = Distance / Time

• Speed = Force x Distance

• Speed = Mass x Acceleration

• Speed = Time / Distance

Tags

NGSS.MS-PS3-1

What is the SI unit for acceleration?

• Meters squared

• Meters per second

• Meters per second squared

• Meters

Which of the following is an example of a contact force?

• Electric Force

• Magnetic Force

• Normal Force

• Gravity

What is the SI unit of force?

• Newton

• Watt

• Volt

• Joule

According to Newton's first law of motion, an object at rest tends to stay at rest unless acted upon by what?

• Friction

• Net Force

• Acceleration

• Gravity

Which of the following is true about velocity?

• Is is a scalar quantity

• it is always positive

• It only includes magnitude

• It includes magnitude and direction

How does positive acceleration affect velocity?

• Acceleration always increases velocity

• Acceleration always decreases velocity

• Acceleration changes the direction of velocity

• Acceleration has no effect on velocity

What is the average speed of a car that travels 120 miles in 2 hours?

• 120 mph

• 60 mph

• 30 mph

• 50 mph