WorksheetsTorque Circular Motion Momentum
Total questions: 9
Worksheet time: 7mins
Name
Class
Date
1.
The easiest way to open a heavy door is by applying the force
a)
Near the hinges
b)
In the middle of the door
c)
At the edge of the door far from the hinges
d)
At the top of the door
2.
What is the Unit for Torque
a)
Nm
b)
N
c)
W
d)
J
3.
Torque is the product of a force exerted on an object times the lever arm.
a)
True
b)
False
4.
When an object is experiencing a net torque
a)
it is in dynamic equilibrium.
b)
it is in static equilibrium.
c)
it is rotating.
d)
it is translating.
5.
A construction worker is worried about applying too much torque to a bolt using his wrench. What could he do to reduce his torque on the bolt?
a)
Increase the length of the wrench
b)
Increase the force on wrench
c)
Reduce the length of the wrench
d)
Reduce the friction between the bolt and wrench
6.
Find the magnitude of the torque produced by a 5.0 N force applied to a door at a perpendicular distance of 65 cm from the hinge.
a)
75 Nm
b)
3.25 Nm
c)
6.3 Nm
d)
8.75 Nm
7.
An object in motion will have a _______ momentum than the same object at rest.
a)
larger
b)
smaller
c)
similar
8.
The more massive object will have more momentum if the velocities are the same.
a)
True
b)
False
9.
Calculate the change in momentum of a 45 kg runner who starts out at 1 m/s and speeds up to 3 m/s.
a)
90 kg⋅m/s
b)
45 kg⋅m/s
c)
135 kg⋅m/s
d)
0 kg⋅m/s
100 %
