Physics Level Check

Kinematics: If an object is moving with constant velocity, what can you say about its acceleration?

• It is constant

• It is increasing

• It is decreasing

• It is zero

Kinematics: If an object is moving with constant acceleration in a straight line, what can you say about its velocity?

• A) It is constant

• B) It is increasing/decreasing

• D) It is zero

5. Energy: What is the unit of energy?

• Newton (N)

• Joule (J)

• Watt (W)

• Voltage (V)

7. Energy: What is the law of conservation of energy?

• A) Energy cannot be created or destroyed

• B) Energy CAN be created but not destroyed

• C) Energy CAN be destroyed but not created

• D) Energy CAN BE BOTH created and destroyed

Energy: What is the energy of motion called?

• C) Mechanical energy

• D) Electrical energy

• B) Kinetic energy

• A) Potential energy

9. Newtons Laws: What is Newton's first law of motion saying an OBJECT AT REST REMAINS AT REST UNLESS ACTED UPON BY
is also known as? A) Law of inertia B) Law of force C) Law of action-reaction D) Law of acceleration

• D) Law of acceleration

• C) Law of action-reaction

• B) Law of force

• A) Law of inertia

4. Kinematics: What is the area under a velocity-time graph (velocity divided by time)? A) Speed B) Distance C) Acceleration D) Time

• B) Distance

• C) Acceleration

• A) Speed

• D) Time

10. Newtons Laws: What is the formula for force?

• A) F = ma

• B) F = mv

• C) F = m / a

• D) F = m + a

Kinematics: Which of the following is a vector (DEPENDS ON DIRECTION) quantity?

• A) Speed

• B) Distance

• C) Velocity

• D) Time

Answer explanation

Only speed has a direction

Gravity: What is the acceleration due to gravity on the surface of the Earth?

• D) 5.2 m/s^2

• B) 6.7 m/s^2

• C) 12.5 m/s^2

• A) 9.8 m/s^2