Advertisements
Advertisements
Question
Multiple Choice Question. Select the correct option.
A man is walking from east to west on a rough surface. The force on the man is directed:
Options
from west to east
from east to west
along the north
along the west
Solution
from west to east
Explanation:
Force of friction always acts in a direction opposite to the direction of motion.
APPEARS IN
RELATED QUESTIONS
Explain giving two examples of following :
Non - contact forces
A spring is compressed against a rigid wall. Draw a neat and labeled diagram showing the forces acting on the spring.
A golfer hits a ball at rest, such that the contact between the ball and golf stick is for 0.1 s. If the golf ball covers a linear distance of 400 m in 2 s, find the magnitude of force applied. Mass of golf ball is 50 g.
A car of mass 800 kg, moving at 54 kmh−1 is brought to rest over a distance of 15 m. Find the retarding force developed by the brakes of the car.
Multiple Choice Question. Select the correct option.
Action-reaction forces
What is the ratio of SI to CGs units of force?
During dry weather, clothes made of synthetic fibre often stick to the skin. Which type of force is responsible for this phenomenon?
Does the force of gravity act on dust particles?
A gas filled balloon moves up. Is the upward force acting on it larger or smaller than the force of gravity?
Figure shows a man with a parachute. Name the force which is responsible for his downward motion. Will he come down with the same speed without the parachute?