Physics Semester 1 Review

Ball A is filled with metal pellets. Ball B is filled with rice. In the absence of air resistance, which ball has the greater acceleration?

• Ball A

• Ball B

• They have the same acceleration (gravity!)

Tags

NGSS.MS-PS2-4

Which one of the following problems would NOT be a part of physics?

• Identifying all the forces acting on a person who is walking uphill

• Calculating the instantaneous velocity of an accelerating car

• Identifying all the bones in a human body

• Calculating the average density of a person

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following would exert the most pressure on the ground?

• A woman standing in high heel shoes

• A woman standing in running shoes

• A woman standing on skis

The rate at which velocity changes with time is called acceleration.

• True

• False

The SI unit of acceleration is meters per second.

• True

• False

Tags

NGSS.HS-PS2-1

When a car rounds a corner at a constant speed, its acceleration is zero.

• True

• False

The information that is gathered during an experiment is data.

• True

• False

Tags

NGSS.MS-LS1-1

According to Newton's second law, the acceleration produced by a net force on an object is

• directly proportional to the magnitude of the net force.

• in the same direction as the net force.

• inversely proportional to the mass of the object.

• all of the above

Tags

NGSS.HS-PS2-1

Speed is

• a measure of how fast something is moving.

• the distance covered per unit time.

• always measured in terms of a unit of distance divided by a unit of time.

• all of the above

Tags

NGSS.MS-PS3-1

What is the minimum resultant possible when adding a 5-unit vector to an 10-unit vector?

• 15

• 10

• 8
• 5