Scissors constitute of which simple machines?
Wedge and lever
Pulley and lever
Wedge and pulley
Pulley and inclined plane
The blades of scissors are made of wedges which move about a fixed fulcrum. The handles that are attached to it are levers.
Lever, inclined plane, screw, wedge, pulley, wheel, and axle are the six machines that make our day-to-day life easier. But one of the simple machines does not move while at work. Identify the simple machine. Explain why it is considered a simple machine.
Find acceleration of 3kg block? Given string and pulleys are massless. Pulley and wedge is frictionless and wedge is fixed.
Choose the odd one out. Give reasons for your choice.
Inclined plane, lever, screw jack, watch, and pulley