Simple machines questions | form two Physics

The principle of fluid of pressure which is used in hydraulic press is the

1. pressure is the same level at all level in a fluid
2. increase of pressure are transmitted equally to all part of the fluid
3. increase of pressure can only be transmitted through solid
4. pressure at a point act equally

Answer / Solution

UNSOLVED

Define Moment of force

Answer / Solution

UNSOLVED

Define the following terms as applied to machines:
(i) Load
(ii) Effort
(iii) Efficiency

Answer / Solution

UNSOLVED

A load of 500 N is raised through 5 m by a machine when its effort moves simultaneously though a distance of 25 m. If the efficiency of the machine is 80%, calculate its mechanical advantage.

Answer / Solution

UNSOLVED

Presence of friction in a machine:
A. causes proper functioning of the machine
B. increases efficiency of the machine
C. increases life time of the machine
D. reduces efficiency of the machine

Answer / Solution

UNSOLVED