Force and Motion

If you calculate the magnitude of friction force on a car that is moving, which coefficient of friction would you use?

• coefficient of static friction

• coefficient of kinetic friction

What is the NET force acting on the car moving to the right?

• normal force

• gravitational force

• friction force

• normal and gravitational forces

Tags

NGSS.HS-PS2-1

To determine mass of object in kg, you would _______.

• divide gravitational force by 9.8 m/s/s

• multiply gravitational force by 9.8 m/s/s

Tags

NGSS.HS-PS2-1

What is the common name for gravitational force?

• normal force

• acceleration due to gravity

• weight

• mass

Tags

NGSS.HS-PS2-4

For an object on a ramp, which of the following statements is FALSE?

• Friction force acting on the object on a ramp is the net force.

• Gravitational force is always drawn vertically straight down.

• Normal force has the same magnitude as the gravitational force.

• SOH CAH TOA is useful in determining forces on incline.

Tags

NGSS.HS-PS2-1

Determine the magnitude of x-component of the 1000-N tension force at a 30-degree angle.

• 952.41 N

• 304.81 N

• 866.03 N

• 500 N

Tags

NGSS.HS-PS2-1

What data are needed in a marathon experiment to calculate friction force? Choose 2 answers.

• mass of runner

• velocity of runner

• type of road surface

• displacement of runner

Tags

NGSS.HS-PS2-1

What is the net force acting on the billiard ball when it leaves the table? Neglect air resistance.

• normal force

• friction force

• gravitational force

• tension force

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

You throw a tennis ball vertically up and catch it. Which TWO graphs provide the slope to determine the tennis ball's acceleration?

• position vs. time

• displacement vs. time

• velocity vs. time

• net force vs. mass

Tags

NGSS.HS-PS2-1

What is the magnitude of vertical velocity of a tennis ball thrown vertically up in the air at its highest point?

• zero

• 9.8 m/s

• 19.6 m/s

• Not enough information

Tags

NGSS.HS-PS2-1