Forces energy and power Flashcards
1
Q
If the acceleration of a lift is 0ms-2 (constant speed) then the apparent weight will be…
A
Equal to the actual weight
2
Q
If the lift is accelerating up/decelerating down the apparent weight is…
A
Greater than the actual weight
3
Q
If the lift is accelerating down/decelerating up the apparent weight is…
A
Less than the actual weight
4
Q
If the lift is in free fall the apparent weight is…
A
Zero
5
Q
Equation for weight parallel down a slope (friction)
A
Wparallel = m g sin[angle]
6
Q
Equation for weight perpendicular down a slope
A
Wpedpendicular = m g cos [angle]
