Force Energy and Simple machines

Which of these would have the strongest gravitational pull?

• Rabbit

• Elephant

• Duck

• Paper

Tags

NGSS.5-PS2-1

A ______ is a grooved wheel with a rope running along the groove.

• Lever

• Pulley

• Screw

• Inclined plane

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

• Screw

• Wheel and Axle

• Inclined plane

• None of these

fishing rod is an example of _____________

• Lever, Wheel and axle, pulley

• Wheel and axle, inclined plane, pulley

• Wheel and axle, pulley and inclined plane

• option i) and iii)

A simple machine that is made up of an inclined plane wrapped around a cylinder. It is often used to hold things together.

• Lever

• Inclined plane

• Screw

• Wedge

Scissors are an example of a compound machine. What simple machines are used to make up this compound machine?

• 2 pulleys 2 inclined plane

• 2 lever 2 pulleys

• 2 lever 2 inclined planes

• none of these

Staircase is an example of _______

• Wedge

• Pulley

• Wheel and axle

• Inclined plane

Pedals, handle bars and handbrakes on a bicycle

• Wedge

• Pulleys

• Inclined plane

• Levers

Tags

NGSS.3-PS2-1

Above figure is an example of

• 1st class lever

• 2nd class lever

• 3rd class lever

• none

Tags

NGSS.3-PS2-1

What type of simple machine is this?

• Wheel and axle

• lever

• Pulley

• Inclined plane