what is a vector?
A physical quantity that has both magnitude and direction.
A physical quantity that only has magnitude.
A force can be split into two components.
what does the gradient on a displacement time graph show?
Velocity
Acceleration
what are the conditions that the SUVAT equations can be used in?
constant velocity
constant acceleration
ignore air resistance
The object is in freefall
The acceleration is positive
what is the formula for work done?
w=fd
w=mgh
The sum of forces and moments of an object in equilibrium equals...
0
10
46
94
what is the definition of centre of gravity?
The gravitational force on a body
The point at which the entire weight of an object can be considered to act
The centre of the gravitational field
pressure is the same as weight
braking distance increases constantly
power is ...
the rate of work done.
work done x time
