Needed a Test for Motion - physics? Related: Class 9 Physics Solutio...
Here is a test for Motion in Physics:
1. What is the difference between speed and velocity?
a) Speed is a scalar quantity while velocity is a vector quantity
b) Speed is a vector quantity while velocity is a scalar quantity
c) Both speed and velocity are scalar quantities
d) Both speed and velocity are vector quantities
2. A car moves with a constant speed of 20 m/s for 10 seconds. What is the distance traveled by the car?
a) 200 m
b) 2 m
c) 10 m
d) 20 m
3. What is the acceleration of a car that starts from rest and reaches a speed of 40 m/s in 5 seconds?
a) 8 m/s^2
b) 40 m/s^2
c) 5 m/s^2
d) 200 m/s^2
4. What is the relationship between force, mass, and acceleration?
a) Force = mass x acceleration
b) Force = acceleration / mass
c) Force = mass / acceleration
d) Force = mass + acceleration
5. A ball is thrown vertically upwards. At the highest point of its trajectory, what is its velocity and acceleration?
a) Velocity = 0 m/s and acceleration = -9.8 m/s^2
b) Velocity = 0 m/s and acceleration = 9.8 m/s^2
c) Velocity = 9.8 m/s and acceleration = -9.8 m/s^2
d) Velocity = 9.8 m/s and acceleration = 0 m/s^2
6. What is the difference between static friction and kinetic friction?
a) Static friction occurs when an object is in motion while kinetic friction occurs when an object is at rest
b) Static friction occurs when an object is at rest while kinetic friction occurs when an object is in motion
c) Static friction always has a greater magnitude than kinetic friction
d) Kinetic friction always has a greater magnitude than static friction
7. What is the work done by a force of 10 N that moves an object a distance of 5 meters in the direction of the force?
a) 50 J
b) 2 J
c) 15 J
d) 0.5 J
8. What is the difference between potential energy and kinetic energy?
a) Potential energy is the energy an object possesses due to its motion while kinetic energy is the energy an object possesses due to its position
b) Potential energy is the energy an object possesses due to its position while kinetic energy is the energy an object possesses due to its motion
c) Potential energy and kinetic energy are the same thing
d) Potential energy and kinetic energy are not related to each other
9. What is the law of conservation of energy?
a) Energy cannot be created or destroyed, only transformed from one form to another
b) Energy can be created or destroyed, but cannot be transformed from one form to another
c) Energy can be created or destroyed, and can be transformed from one form to another
d) Energy cannot be created or destroyed, and cannot be transformed from one form to another
10. A body is moving in a circular path. What is the direction of the centripetal acceleration acting on the body?
a) Outwards from the center of the circle
b) Inwards towards the center