The acceleration of an object acted on by a net force perpendicular to the direction of the object's original motion
A) causes a change in direction.
B) is described by Newton's laws.
C) causes a change in velocity.
D) all of these
To cause an object to move in a circle, a ______________ force is necessary.
The force required to move a 50.0 kg object in a 55.0 m circle at a constant speed of 2.60 m/s is
A) 0.0 N
B) 6.1 N
C) 0.12 N
D) 2.36 N
The linear momentum of an object can be determined by taking the product of the mass and the
A) acceleration of the object.
B) velocity of the object.
C) distance the object moves.
D) displacement of the object.