According to the Impulse-Momentum Equation Ft = Change in (Mv),a

question 26

Multiple Choice

According to the impulse-momentum equation Ft = change in (mv) ,a person will suffer less injury falling on a wooden floor which "gives" than on a more rigid cement floor.The "F" in the above equation stands for the force exerted on the

• A)only the person.
• B)only the floor.
• C)either the force on the person or the force on the floor
• D)the sum of the force on the person and the force on the floor

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Definitions:

Nonfloating Drum

A type of drum in machinery or equipment that is fixed in place and does not move or float axially under operation.

Wheel Bearing

Any of several types of bearings that reduce friction at the interface of the axle and the hub.

Rear Axle

The axle located at the rear of a vehicle, transmitting power from the drivetrain to the rear wheels.

Wheel Cylinder

An output cylinder in a drum brake assembly. The wheel cylinder contains pistons that move the brake shoes against the drum when the brakes are applied.