A Woman Is Straining to Lift a Large Crate,without Success

question 94

Multiple Choice

A woman is straining to lift a large crate,without success because it is too heavy.We denote the forces on the crate as follows: P is the upward force the woman exerts on the crate,C is the vertical contact force exerted on the crate by the floor,and W is the weight of the crate.How are the magnitudes of these forces related while the woman is trying unsuccessfully to lift the crate?

• A) P + C = W
• B) P + C < W
• C) P + C > W
• D) P = C

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Definitions:

Absorb Bumps

The ability of a vehicle's suspension system to dampen the impact from road irregularities, providing a smoother ride.

Body Roll

The tendency of a vehicle's body to lean to one side during cornering, affecting stability and handling.

Compress Spring

The act of applying force to a spring to decrease its length temporarily, storing potential energy that can be released when the force is removed.

Unsprung Weight

Vehicle weight that is suspended beneath the springs and therefore is not carried by the springs. Examples include the weight of the wheels and tires, brake components, control arms, steering knuckles, and some rear axles.