When a force is parallel to the direction of motion of the body, then work done on the body is_____________________?
Aasma Sajjad
No Comments
A. zero
B. minimum
C. infinity
D. maximum
Physics MCQ's
When body is in motion, ____________ always changes?
Aasma Sajjad
No Comments
A. its velocity
B. its acceleration
C. its position vector
D. its momentum
When two bodies move toward each other with constant speeds the distance between them decreases at the rate of 6m / sec. If they move in the same direction the distance between them increases at the rate of 4m/sec. Then their speeds are________________?
Aasma Sajjad
No Comments
A. 5m/s, 1m/s
B. 3m/s, 3m/s
C. 6m/s, 1m/s
D. 4m/s, 2m/s
When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to__________________?
Aasma Sajjad
No Comments
A. Centripetal force
B. Gravitational force
C. Their inertia
D. Centrifugal force
If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along_____________?
Aasma Sajjad
No Comments
A. West
B. North
C. Down
D. Up
Which of the following pair has same direction always ?
Aasma Sajjad
No Comments
A. force, displacement
B. force, velocity
C. force, acceleration
D. force, momentum
Which one of the following is massless?
Aasma Sajjad
No Comments
A. Proton
B. Electron
C. Neutron
D. Photon
The first book of Physics was written by__________?
Aasma Sajjad
No Comments
A. Kelvin
B. Newton
C. Aristotle
D. Faraday
All electrical appliances are connected in parallel to each other between the main line and neutral wire to get ______________________?
Aasma Sajjad
No Comments
A. same current
B. same current and potential difference
C. different current but same potential difference
D. different current and potential differences