What is the force that maintains the circular motion of a ball on the end of a string?
A.
Fg
B.
Fc
C.
Ft
D.
Fk
2.
Torque is the product of
A.
force and velocity.
B.
gravity
C.
Mass and Radius
D.
force and velocity.
E.
lever arm and force.
3.
A change in the force of gravity acting on an object will affect the object’s
A.
mass
B.
frictional force
C.
applied force
D.
weight
4.
Which of the following statements does NOT describe force?
A.
Force causes objects at rest to remain stationary.
B.
Force causes objects to change direction.
C.
force causes objects to stop moving.
D.
Force causes objects to start moving.
5.
In a game of tug-of-war, a rope is pulled to the left with a force of 83 N and to the right with a force of 102N, what is the magnitude and direction of the net external force on the rope?
A.
19 N to the left
B.
19 N to the right
C.
185 N to the left
D.
185 N to the right
6.
Which of the following is the tendency of an object to maintain its state of motion?
