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3 years ago

13

Which term denotes that the mere presence of other people in your environment affects your behavior

2 answers:

Thepotemich [5.8K]3 years ago

8 0

The term is Social facilitation.

Social facilitation can be defined as an improvement in performance caused by the mere presence of others, it can be further distinguished into two types:

co-action effects which is a phenomenon where increased task performance is caused by the mere presence of others doing the same task.

audience effect where performance is increased in the presence of a passive spectator/audience

Nadya [2.5K]3 years ago

7 0

The term is social facilitation.

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A crowbar 2727 in. long is pivoted 66 in. from the end. What force must be applied at the long end in order to lift a 600600 lb

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To solve this problem we will apply the concepts related to equilibrium, for this specific case, through the sum of torques.

$\sum \tau = F*d$

If the distance in which the 600lb are applied is 6in, we will have to add the unknown Force sum, at a distance of 27in - 6in will be equivalent to that required to move the object. So,

$F*(27-6)= 6*600$

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A child is riding a merry-go-round that has an instantaneous angular speed of 12 rpm. If a constant friction torque of 12.5 Nm i

sammy [17]

Answer:

$-0.25 rad/s^2$

Explanation:

The equivalent of Newton's second law for rotational motions is:

$\tau = I \alpha$

where

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$\alpha$ is the angular acceleration

In this problem we have:

$\tau = -12.5 Nm$ (net torque, with a negative sign since it is a friction torque, so it acts in the opposite direction as the motion)

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Solving for $\alpha$ , we find the angular acceleration:

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