Common misconseptions physics

Question 1

Define f=ma

Answer 1

The force (F) acting on an object is equal to the mass (m) of an object times its acceleration (a)
Law of conservation of momentum

Question 2

Define the photoelectric effect

Answer 2

phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation. The effect is often defined as the ejection of electrons from a metal plate when photons hit the surface

Question 3

Define binding energy

Answer 3

the energy that holds a nucleus together.
Is equal to the change in mass x speed of light^2

Question 4

Define Newtons 3rd law

Answer 4

If object A exerts a force on object B, then object B exerts an equal and opposite force of the same type on object A

Question 5

Define time constant

Answer 5

Time taken to discharge a capacitor through a resistor to approximately 36.8% of its initial charge voltage

Question 6

What is the gradient of a LnI - x graph

Answer 6

-mew

Question 7

Force base units

Answer 7

kgms-2

Question 8

energy base units

Answer 8

kgm2s-2

Question 9

power base units

Answer 9

kgm2s-3

Question 10

pressure base units

Answer 10

kgm-1s-2

Question 11

volts base units

Answer 11

kgm2s-3A-1

Question 12

1rad in degrees

Answer 12

180/pi

Question 13

how to convert an angle into radians

Answer 13

angle x pi/180