An idealization of a body that does not deform or change shape.

A body in which the distance between two points never changes.

A body that does not change shape unless a force is applied

A body which does not deform under the influence of forces.

Near the hinges

In the middle of the door

At the edge of the door far from the hinges

At the top of the door

s = rθ

$$a_c=r\alpha$$  

v = rω

$$a_t=r\alpha$$  

meter/second

revolutions/minute

revolutions/second

radians/second

Increase the length of the wrench

Increase the force on wrench

Reduce the length of the wrench

Reduce the friction between the bolt and wrench

Στ = 0

ΣF=0

Στ ≠ 0

ΣF ≠ 0

$$\omega=\omega_o+\alpha t$$  

$$\omega=\omega_ot+\frac{1}{2}\alpha t^2$$  

$$\omega^2=\omega_o^2+2\alpha\theta$$  

$$\theta=\frac{1}{2}\left(\omega_o+\omega\right)t$$  

m s^-2

rev/s²

rad/s²

radian

s

v

a_t

θ

The rate of change of the displacement and is negative when 𝜔 increases.

The rate of change of the displacement and is negative when 𝜔 decreases.

The rate of change of angular velocity and is negative when 𝜔 increases.

The rate of change of angular velocity and is negative when 𝜔 decreases.

ω will decrease

I will decrease

ω will remain constant

L will increase

in motion along a curved path

in linear motion

in rotational motion

none of the answers

$$\tau=I\alpha$$  

F = ma

$$L\ =\ I\omega$$  

$$I\ =\ \tau\alpha$$  

Linear impulse

Angular momentum

Force

Linear momentum