Show:
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
100
study of motion and its causes
What is mechanics ?
100
velocity is positive and acceleration is negative object's motion
What is slowing down?
100
A cat slides off a table horizontally. The cat's initial vertical velocity
What is zero?
100
a push or a pull
What is a force?
100
energy of motion
What is kinetic energy?
200
mm
What is a millimeter ?
200
feather and a metal bolt dropped from same height in vacuum
What is hit the ground at the same time?
200
physical quantity with magnitude but no direction
What is a scalar?
200
friction
What is an example of a contact force?
200
sum of kinetic energy and all forms of potential energy
What is mechanical energy?
300
measurements agree closely with each other but are greatly different from actual value
What is precise but not accurate?
300
The rate of change of velocity
What is acceleration?
300
path of projectile?
What is parabola?
300
SI unit of force
What is the newton?
300
rate at which energy is transferred
What is power?
400
34.5 g + 1.284 g
What is 35.8 g?
400
A hiker travels 23 m North, then 13 m South, and finally 5.0 m North. Hiker's Displacement
What is 15 n North?
400
A cat slides off a 3.0 m high table horizontally. The time it take the cat to fall
What is 0.78 seconds?
400
word means perpendicular type of force
What is normal ?
400
construction worker pushes a wheel barrow 2.0 m with a horizontal force of 15 N Work done
What is 30 joules?
500
sig figs of 0.0001203400 m
What is 7 sig figs?
500
A cyclist starts at 5.0 m/s and breaks with an acceleration of -2.0 m/s2. The time it takes him to stop.
What is 2.5 seconds?
500
A cat slides off a 3.0 m high table horizontally. The cat strikes the floor 4.3 m from the edge of the table. The cat's initial horizontal velocity
What is 5.5 m/s?
500
weight of a 10.0 kg object in newtons
What is 98.1 N?
500
kinetic energy of a 0.100 kg ball moving at 20.0 m/s
What is 20 J?