If the volume of an object were to be halved with the same mass, its density would
a. halve b. double c. stay the same
Question 2
A 2.0-kg block slides on a frictionless 15 inclined plane. A force acting parallel to the incline is applied to the block. The acceleration of the block is 1.5 m/s2 down the incline. What is the applied force?
a. 8.1 N down the incline
b. 3.0 N down the incline
c. 2.1 N up the incline
d. 3.0 N up the incline
e. 8.1 N up the incline