Simple machines and calculating force

A sloping force, like a ramp, that reduces the amount of force required to lift an object?

• Wheel and axel
• Inclined plane
• Lever
• Wedge

Which of the following does a simple machine do?

• allows the users to apply less force over a longer distance.
• reduce the amount of force needed to do work.
• change the direction of the applied force.
• All of the above.

What is a Fulcrum?

• The point or support on which a lever turns.
• Point where a wheel and axel meet.
• Force applied to a machine.
• Force exerted from a machine.

How do you calculate force.

• Force=Mass x accleration
• Force=Distance x speed
• Force=Weight x acceleration
• Force=Speed x Time

Which of these are an example of a wedge?

• Stairs
• Car
• Axe
• Flagpole

What does Newtons represent?

• Mass
• Force
• Work
• Speed

A _______ is really an inclined plane?

• Screw
• Lever
• Wedge
• Pulley

A See-saw is a..........?

• Inclined plane
• Pulleys
• Wedges
• Lever

What represents mass?

• Kg.
• N.
• m/s2
• J.

Two examples of a pulley?

• Knife and Flagpole
• Flagpole and Blinds
• Car and axe
• See-saw and Blind