Laws of Motion
Important Questions on Laws of Motion
Name the property of material bodies by virtue of which they resist any change in their state of rest or of uniform motion. (choose from momentum, inertia, impulse)
State Newton's third law of motion.
An elderly person advised Rubina to hold the seat handle while she was travelling in a bus.
a. What will happen to Rubina if the bus stops suddenly?
b. What values are shown by the elderly person?
Nishant is trying to push a heavy box along a rough surface. He is not able to push the box alone. His friend Siddhant, after seeing Nishant helps in pushing the box which causes it to move.
a. Why was Nishant not able to push the box alone?
b. Name the force opposing the movement of the box.
c. What values do we learn from Siddhant?
State Newton's three laws of motion. Calculate the magnitude of force required to produce an acceleration of in a body of mass .
If we take out a piece of paper from under a book with a jerk, the book will not move. Explain?
Explain why a bicycle stops if we stop pedalling.
If someone jumps to the shore from a boat, the boat moves in the opposite direction. Explain why?
Which has more inertia, a cricket ball or a rubber ball of the same size? Why?
Why does an athlete run some steps before taking a jump?
If the acceleration of a body is to be doubled, then what change should be made?
When can a body stay at rest even if forces act on it?
Is any force required to keep a body moving in a circular path?
What is the principle behind the working of a rocket?
Write the relation between force and momentum.
Why does a cricketer move his arms backwards in the direction of the ball while taking a catch?
Why does a pillion rider fall forward, when the driver of a two-wheeler suddenly applies brakes?
What happens when a pile of carrom coins is hit horizontally by a striker?
Why does dust fly off when a carpet is hit with a stick?
Why do passengers tend to fall sideways when the bus takes a sharp turn?
