Lever
Trending Questions
Q.
Sneha has to lift a load of mass 50 kg to a height 1m. She can exert a maximum effort of 250 N, so she uses an inclined plane to lift the load up. What should be the minimum length of the plank used by her?
2.5m
2m
1m
1.5m
Q.
A boy lifts a load through a vertical height of 5 m by a fixed pulley by applying an effort at the other end. Find the velocity ratio.
1
2
0.5
0.8
Q. If we know the magnitude of force and mass of the object, we can determine________ of the object.
- work done
- speed
- acceleration
- position
Q.
The fixed point about which the lever turns in called ____
fulcrum
effort
mass
load