Top answers


Explain the motion and forces on a falling object as it approaches terminal velocity.

Key points for understanding: -The resultant force on the object is the vector sum of all forces on an object. - Acceleration is a rate of change of velocity. -Resultant force causes acceleration. Changes in...
KB
Answered by Kameron B. Physics tutor
4071 Views

What is the difference between a transverse and a longitudinal wave?

A wave is a transfer of energy of particles. In the case of a transverse wave, the particles oscillate perpendicular to their direction of movement (i.e it looks like they are moving up and down) and in the ...
HW
Answered by Harry W. Physics tutor
13117 Views

What is the reaction force? (eg from the ground or table)

The reaction force is the force that the table exerts on an object which is pressing on it. The reason there is a reaction force is because the table is made of atoms and you can imagine these atoms been con...
NW
Answered by Nick W. Physics tutor
4573 Views

Give an example of ionising radiation

gamma, beta, ultraviolet
RC
Answered by Rocio C. Physics tutor
2368 Views

Waves on the surface of water are transverse waves. State one other example of a transverse wave.

Light wave.
RC
Answered by Rocio C. Physics tutor
2304 Views