Conceptual Physics - Semester 1 Review

Which statement supports the law of conservation of energy?

• Energy can be created

• Energy can be destroyed

• Energy is made of matter

• Energy can be converted from one form to another

What type of energy conversion occurs when the rubber band it released?

• elastic potential to kinetic

• gravitational to elastic

• elastic potential to chemical

• elastic potential to thermal

Which variables affect kinetic energy?

• pressure and volume

• velocity and mass

• weight and height

• temperature and weight

Tags

NGSS.MS-PS3-1

What is the net force?

• 40 N left
• 0 N Balalnced
• 400 N right
• 40 N right

Tags

NGSS.MS-PS2-2

What is the net force?

• 400 N Up at an increasing speed

• 400 N Down at an increasing speed

• 400 N Down at a constant speed

• 800 N Down at a constant speed

Tags

NGSS.MS-PS2-2

Which of Newton's laws states that the acceleration of an object depends on the force exerted on it and its mass?

• 1st Law

• 2nd Law

• 3rd Law

Tags

NGSS.MS-PS2-2

Which of Newton's laws states that for every action there is an equal and opposite reaction?

• 1st Law

• 2nd Law

• 3rd Law

Tags

NGSS.MS-PS2-1

Which of Newton's laws states that an object at rest stays at rest and an object in motion stays in motion unless an unbalanced force acts on it?

• 1st Law

• 2nd Law

• 3rd Law

Chris runs 5 laps around his school. Each lap is 1 mile. What are his distance and displacement?

• both distance and displacement are 5 miles

• distance is 5 miles; displacement is 0 m

• displacement is 5 miles; distance is 0 m

• both distance and displacement are 5 miles

Suppose you take a trip that covers 180 km in 3 hours. What is your average speed?

• 30km/hr

• 360km/hr

• 180 km/hr

• 60km/hr