Chapter 6: FORCE AND MOTION II
1. A brick slides on a horizontal surface. Which of the following will increase the magnitude of
the frictional force on it?
Putting a second brick on top
Decreasing the surface area. of contact
Increasing the surface area o
Chapter 9: CENTER OF MASS AND LINEAR MOMENTUM
1. Which one of the following statements is true?
the center of mass of an object must lie within the object
all the mass of an object is actually concentrated at its center of mass
the center of mass of an ob
Chapter 9: CENTER OF MASS AND LINEAR MOMENTUM
1. Which one of the following statements is true?
the center of mass of an object must lie within the object
all the mass of an object is actually concentrated at its center of mass
the center of mass of an ob
Chapter 6: FORCE AND MOTION II
1. A brick slides on a horizontal surface. Which of the following will increase the magnitude of
the frictional force on it?
Putting a second brick on top
Decreasing the surface area. of contact
Increasing the surface area o
Chapter 6: FORCE AND MOTION II
1. A brick slides on a horizontal surface. Which of the following will increase the magnitude of
the frictional force on it?
Putting a second brick on top
Decreasing the surface area. of contact
Increasing the surface area o
Chapter 13: GRAVITATION
In the formula F : Gmlmzfrz, the quantity G:
depends on the local value of g
is used only when Earth is one of the two masses
is greatest at the surface of Earth
is a universal constant of nature
is related to the Sun in the same w
Chapter 4: MOTION IN TWO AND THREE DIMENSIONS
1. Velocity is dened as:
rate of change of position with time
position divided by time
rate of change of acceleration with time
a Speeding up or slowing down
change of position
5.5.0.00?
ans: A
2. Acceleration
Chapter 13: GRAVITATION
In the formula F : Gmlmzfrz, the quantity G:
depends on the local value of g
is used only when Earth is one of the two masses
is greatest at the surface of Earth
is a universal constant of nature
is related to the Sun in the same w
Chapter 4: MOTION IN TWO AND THREE DIMENSIONS
1. Velocity is dened as:
rate of change of position with time
position divided by time
rate of change of acceleration with time
a Speeding up or slowing down
change of position
5.5.0.00?
ans: A
2. Acceleration
Chapter 4: MOTION IN TWO AND THREE DIMENSIONS
1. Velocity is dened as:
rate of change of position with time
position divided by time
rate of change of acceleration with time
a Speeding up or slowing down
change of position
5.5.0.00?
ans: A
2. Acceleration