Force, Energy & Gravity Final Review

What is the formula to calculate net force?

• Net force = mass x acceleration

• Net force = mass + acceleration

• Net force = mass / acceleration

• Net force = mass - acceleration

Tags

NGSS.MS-PS2-2

According to Newton's second law, what is the relationship between force, mass, and acceleration?

• Force is directly proportional to acceleration but not mass.

• Force is directly proportional to mass but not acceleration.

• Force is directly proportional to mass and acceleration.

• Force is inversely proportional to mass and acceleration.

Tags

NGSS.MS-PS2-2

Which of the following is an example of potential energy?

• A moving car

• A burning candle

• A stretched rubber band

• A falling rock

Tags

NGSS.MS-PS3-2

What is the formula to calculate kinetic energy?

• KE = m * v

• KE = 1/2 * m * v^2

• KE = m * v^2

• KE = 1/2 * m * v

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

What is the gravitational pull on Earth?

• 9.8 m/s^2

• 1.5 m/s^2

• 5.2 m/s^2

• 12.3 m/s^2

If the net force acting on an object is zero, what can be said about its motion?

• The object will move with increasing velocity

• The object will move in a circular path

• The object will be balanced.

• The object will move with decreasing velocity

Which of the following is an example of kinetic energy?

• A stretched rubber band

• A moving car

• A burning candle

• A compressed spring

Tags

NGSS.MS-PS3-1

What is the formula to calculate net force?

• The sum of all the forces acting on an object.

• The difference between all the forces acting on an object.

• The average of all the forces acting on an object.

• The product of all the forces acting on an object.

Tags

NGSS.MS-PS2-2

Which of the following describes an application of Newton’s law of inertia?

• A car stops suddenly, but the passengers in the car are thrust forward through the windshield.

• The force pushing downward on a box is equal to the force pushing upward on the box.

• Earth’s tectonic plates collide with equal force and equal acceleration.

• The force of gases pushing downward from a rocket launches the rocket upward against gravity.

Which of the following describes an application of Newton’s 3rd Law of Motion?

• A car stops suddenly, but the passengers in the car are thrust forward through the windshield.

• The force pushing downward on a box squishes the cat that may or may not be inside.

• Earth’s tectonic plates collide causing the mass destruction of California.

• The force of gases pushing downward from a rocket launches the rocket upward against gravity.

Tags

NGSS.MS-PS2-1